Bump shelljs from 0.8.4 to 0.8.5

Bumps [shelljs](https://github.com/shelljs/shelljs) from 0.8.4 to 0.8.5.
- [Release notes](https://github.com/shelljs/shelljs/releases)
- [Changelog](https://github.com/shelljs/shelljs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shelljs/shelljs/compare/v0.8.4...v0.8.5)

---
updated-dependencies:
- dependency-name: shelljs
  dependency-type: direct:development
...

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

package.json

@@ -49,7 +49,7 @@
     "glob-parent": "^5.1.2",
     "node-sass": "^6.0.1",
     "sass-loader": "^10.2.0",
-    "shelljs": "^0.8.4",
+    "shelljs": "^0.8.5",
     "vue-template-compiler": "^2.6.11",
     "webpack-bundle-tracker": "^0.4.3"
   }

yarn.lock

@@ -8063,10 +8063,10 @@ shell-quote@^1.6.1:
   resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.7.2.tgz#67a7d02c76c9da24f99d20808fcaded0e0e04be2"
   integrity sha512-mRz/m/JVscCrkMyPqHc/bczi3OQHkLTqXHEFu0zDhK/qfv3UcOA4SVmRCLmos4bhjr9ekVQubj/R7waKapmiQg==
 
-shelljs@^0.8.4:
-  version "0.8.4"
-  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.4.tgz#de7684feeb767f8716b326078a8a00875890e3c2"
-  integrity sha512-7gk3UZ9kOfPLIAbslLzyWeGiEqx9e3rxwZM0KE6EL8GlGwjym9Mrlx5/p33bWTu9YG6vcS4MBxYZDHYr5lr8BQ==
+shelljs@^0.8.5:
+  version "0.8.5"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.8.5.tgz#de055408d8361bed66c669d2f000538ced8ee20c"
+  integrity sha512-TiwcRcrkhHvbrZbnRcFYMLl30Dfov3HKqzp5tO5b4pt6G/SezKcYhmDg15zXVBswHmctSAQKznqNW2LO5tTDow==
   dependencies:
     glob "^7.0.0"
     interpret "^1.0.0"