build(deps-dev): bump mocha from 6.1.4 to 6.2.0

Bumps [mocha](https://github.com/mochajs/mocha) from 6.1.4 to 6.2.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.1.4...v6.2.0)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -699,17 +699,17 @@ minimatch@3.0.4, minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 mkdirp@0.5.1, mkdirp@^0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
 mocha@^6.0.0:
-  version "6.1.4"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.4.tgz#e35fada242d5434a7e163d555c705f6875951640"
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.2.0.tgz#f896b642843445d1bb8bca60eabd9206b8916e56"
   dependencies:
     ansi-colors "3.2.3"
     browser-stdout "1.3.1"
@@ -1075,7 +1075,7 @@ text-table@^0.2.0:
 
 through@^2.3.6:
   version "2.3.8"
-  resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
 tmp@^0.0.33:
   version "0.0.33"