Bump ember-cli from 3.5.1 to 3.6.0 (#502)

Bumps [ember-cli](https://github.com/ember-cli/ember-cli) from 3.5.1 to 3.6.0.
- [Release notes](https://github.com/ember-cli/ember-cli/releases)
- [Changelog](https://github.com/ember-cli/ember-cli/blob/master/CHANGELOG.md)
- [Commits](ember-cli/ember-cli@v3.5.1...v3.6.0)

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

package.json

@@ -48,7 +48,7 @@
     "@types/rsvp": "^4.0.2",
     "broccoli-merge-trees": "^3.0.2",
     "documentation": "^9.0.0",
-    "ember-cli": "~3.5.1",
+    "ember-cli": "~3.6.0",
     "ember-cli-dependency-checker": "^3.0.0",
     "ember-cli-htmlbars": "^3.0.1",
     "ember-cli-inject-live-reload": "^2.0.1",

yarn.lock

@@ -2704,7 +2704,7 @@ broccoli-clean-css@^1.1.0:
     inline-source-map-comment "^1.0.5"
     json-stable-stringify "^1.0.0"
 
-broccoli-concat@^3.2.2, broccoli-concat@^3.5.1:
+broccoli-concat@^3.2.2, broccoli-concat@^3.7.3:
   version "3.7.3"
   resolved "https://registry.yarnpkg.com/broccoli-concat/-/broccoli-concat-3.7.3.tgz#0dca01311567ffb13180e6b4eb111824628e4885"
   integrity sha512-2Ma9h81EJ0PRb9n4sW0i8KZlcnpTQfKxcj87zvi5DFe1fd8CTDEdseHDotK2beuA2l+LbgVPfd8EHaBJKm/Y8g==
@@ -4391,10 +4391,10 @@ ember-cli-version-checker@^2.0.0, ember-cli-version-checker@^2.1.0, ember-cli-ve
     resolve "^1.3.3"
     semver "^5.3.0"
 
-ember-cli@~3.5.1:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/ember-cli/-/ember-cli-3.5.1.tgz#a1c7295eed935726891d40a81e0cc389f2d15fdf"
-  integrity sha512-oJylJwBIIH5IdgrnSXjA/Z64SSu7gZMyqtMBfMA8aGcBh2Bcb5dMDHpwwWXV4Crp1TGImhdtbwOtMAkzZT6Qpw==
+ember-cli@~3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/ember-cli/-/ember-cli-3.6.0.tgz#9d0e3ca165eb56ba904900d5133041d3f8410868"
+  integrity sha512-8Jj/UfHabFQJgkcrS8uKrWa0D2vnsc9ZzEAo2J9mnYbaS3PwGVDJ/lEQ9O1euJhspMZK+R+cnLP0M2qdRGosfA==
   dependencies:
     amd-name-resolver "^1.2.0"
     babel-plugin-transform-es2015-modules-amd "^6.24.1"
@@ -4404,7 +4404,7 @@ ember-cli@~3.5.1:
     broccoli-amd-funnel "^2.0.1"
     broccoli-babel-transpiler "^6.5.0"
     broccoli-builder "^0.18.14"
-    broccoli-concat "^3.5.1"
+    broccoli-concat "^3.7.3"
     broccoli-config-loader "^1.0.1"
     broccoli-config-replace "^1.1.2"
     broccoli-debug "^0.6.4"
@@ -4434,7 +4434,7 @@ ember-cli@~3.5.1:
     ember-cli-preprocess-registry "^3.1.2"
     ember-cli-string-utils "^1.1.0"
     ensure-posix-path "^1.0.2"
-    execa "^0.10.0"
+    execa "^1.0.0"
     exit "^0.1.2"
     express "^4.16.3"
     filesize "^3.6.1"