[Security] Bump sshpk from 1.13.1 to 1.16.0

Bumps [sshpk](https://github.com/joyent/node-sshpk) from 1.13.1 to 1.16.0. **This update includes security fixes.**
- [Release notes](https://github.com/joyent/node-sshpk/releases)
- [Commits](TritonDataCenter/node-sshpk@v1.13.1...v1.16.0)

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

yarn.lock

@@ -6005,6 +6005,10 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
+safer-buffer@^2.0.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 sane@^2.2.0, sane@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/sane/-/sane-2.4.1.tgz#29f991208cf28636720efdc584293e7fd66663a5"
@@ -6328,17 +6332,17 @@ sri-toolbox@^0.2.0:
   resolved "https://registry.yarnpkg.com/sri-toolbox/-/sri-toolbox-0.2.0.tgz#a7fea5c3fde55e675cf1c8c06f3ebb5c2935835e"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.16.0"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.0.tgz#1d4963a2fbffe58050aa9084ca20be81741c07de"
   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"
 
 state-toggle@^1.0.0: