[Security] Bump sshpk from 1.13.1 to 1.15.2

Bumps [sshpk](https://github.com/joyent/node-sshpk) from 1.13.1 to 1.15.2. **This update includes security fixes.**
- [Release notes](https://github.com/joyent/node-sshpk/releases)
- [Commits](TritonDataCenter/node-sshpk@v1.13.1...v1.15.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

yarn.lock

@@ -2,30 +2,31 @@
 # yarn lockfile v1
 
 
-"@parity/abi@2.1.x":
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/@parity/abi/-/abi-2.1.2.tgz#f5946575440dd722480d41cfd53d25f991a64aef"
+"@parity/abi@~2.1.4":
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/@parity/abi/-/abi-2.1.4.tgz#23e2b9e6d37a54035b76d941d6d74b9c5d21fb99"
   dependencies:
-    bignumber.js "3.0.1"
+    bignumber.js "4.1.0"
     js-sha3 "0.5.5"
     utf8 "^2.1.2"
 
-"@parity/api@2.1.x":
-  version "2.1.14"
-  resolved "https://registry.yarnpkg.com/@parity/api/-/api-2.1.14.tgz#65ad222a733a2ca08bae63fe3f352c27966447be"
+"@parity/api@^2.1.15":
+  version "2.1.24"
+  resolved "https://registry.yarnpkg.com/@parity/api/-/api-2.1.24.tgz#e04ca177598354b435b83c8cfe7c7c3672bf3e44"
   dependencies:
-    "@parity/abi" "2.1.x"
+    "@parity/abi" "~2.1.4"
     "@parity/jsonrpc" "2.1.x"
     "@parity/wordlist" "1.1.x"
-    bignumber.js "3.0.1"
+    bignumber.js "4.1.0"
     blockies "0.0.2"
-    es6-error "^4.0.0"
+    es6-error "4.0.2"
     es6-promise "^4.1.1"
     eventemitter3 "^2.0.2"
     isomorphic-fetch "^2.2.1"
     js-sha3 "0.5.5"
     lodash "^4.17.4"
     store "^2.0.12"
+    websocket "^1.0.25"
 
 "@parity/jsonrpc@2.1.x":
   version "2.1.4"
@@ -1096,6 +1097,10 @@ bignumber.js@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-3.0.1.tgz#807652d10e39de37e9e3497247edc798bb746f76"
 
+bignumber.js@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-4.1.0.tgz#db6f14067c140bd46624815a7916c92d9b6c24b1"
+
 binary-extensions@^1.0.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
@@ -1935,9 +1940,9 @@ es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
     es6-iterator "~2.0.1"
     es6-symbol "~3.1.1"
 
-es6-error@^4.0.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/es6-error/-/es6-error-4.1.1.tgz#9e3af407459deed47e9a91f9b885a84eb05c561d"
+es6-error@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/es6-error/-/es6-error-4.0.2.tgz#eec5c726eacef51b7f6b73c20db6e1b13b069c98"
 
 es6-iterator@^2.0.1, es6-iterator@~2.0.1:
   version "2.0.3"
@@ -2935,7 +2940,7 @@ is-symbol@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
 
-is-typedarray@~1.0.0:
+is-typedarray@^1.0.0, is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
@@ -3351,6 +3356,10 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
+nan@^2.11.0:
+  version "2.11.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.11.1.tgz#90e22bccb8ca57ea4cd37cc83d3819b52eea6766"
+
 nan@^2.2.1, nan@^2.3.0:
   version "2.8.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.8.0.tgz#ed715f3fe9de02b57a5e6252d90a96675e1f085a"
@@ -4520,6 +4529,10 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0,
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safer-buffer@^2.0.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 sax@~1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -4608,8 +4621,9 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
-"solc@github:ngotchac/solc-js":
+solc@ngotchac/solc-js:
   version "0.4.4"
+  uid "04eb38cc3003fba8cb3656653a7941ed36408818"
   resolved "https://codeload.github.com/ngotchac/solc-js/tar.gz/04eb38cc3003fba8cb3656653a7941ed36408818"
   dependencies:
     memorystream "^0.3.1"
@@ -4675,17 +4689,17 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.15.2.tgz#c946d6bd9b1a39d0e8635763f5242d6ed6dcb629"
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
     bcrypt-pbkdf "^1.0.0"
+    dashdash "^1.12.0"
     ecc-jsbn "~0.1.1"
+    getpass "^0.1.1"
     jsbn "~0.1.0"
+    safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
 stackframe@^0.3.1:
@@ -4925,6 +4939,12 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+typedarray-to-buffer@^3.1.5:
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
+  dependencies:
+    is-typedarray "^1.0.0"
+
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
@@ -5112,6 +5132,15 @@ webpack@^3.5.5:
     webpack-sources "^1.0.1"
     yargs "^8.0.2"
 
+websocket@^1.0.25:
+  version "1.0.28"
+  resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.28.tgz#9e5f6fdc8a3fe01d4422647ef93abdd8d45a78d3"
+  dependencies:
+    debug "^2.2.0"
+    nan "^2.11.0"
+    typedarray-to-buffer "^3.1.5"
+    yaeti "^0.0.6"
+
 whatwg-fetch@>=0.10.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
@@ -5185,6 +5214,10 @@ y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
 
+yaeti@^0.0.6:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/yaeti/-/yaeti-0.0.6.tgz#f26f484d72684cf42bedfb76970aa1608fbf9577"
+
 yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"