build(deps-dev): bump mocha from 6.1.2 to 6.1.3

Bumps [mocha](https://github.com/mochajs/mocha) from 6.1.2 to 6.1.3.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.1.2...v6.1.3)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

yarn.lock

@@ -677,8 +677,8 @@ [email protected], mkdirp@^0.5.1:
     minimist "0.0.8"
 
 mocha@^6.0.0:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.2.tgz#31e960580ef709ef5f26bbe760547cf5207b44df"
+  version "6.1.3"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.3.tgz#79d1b370a92dfdb409e6f77bc395ca5afe4cdc93"
   dependencies:
     ansi-colors "3.2.3"
     browser-stdout "1.3.1"
@@ -694,7 +694,7 @@ mocha@^6.0.0:
     minimatch "3.0.4"
     mkdirp "0.5.1"
     ms "2.1.1"
-    node-environment-flags "1.0.4"
+    node-environment-flags "1.0.5"
     object.assign "4.1.0"
     strip-json-comments "2.0.1"
     supports-color "6.0.0"
@@ -724,11 +724,12 @@ nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
 
-[email protected].4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/node-environment-flags/-/node-environment-flags-1.0.4.tgz#0b784a6551426bfc16d3b2208424dcbc2b2ff038"
+[email protected].5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/node-environment-flags/-/node-environment-flags-1.0.5.tgz#fa930275f5bf5dae188d6192b24b4c8bbac3d76a"
   dependencies:
     object.getownpropertydescriptors "^2.0.3"
+    semver "^5.7.0"
 
 npm-run-path@^2.0.0:
   version "2.0.2"
@@ -937,6 +938,10 @@ semver@^5.4.1, semver@^5.5.0, semver@^5.5.1:
   version "5.5.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
 
+semver@^5.7.0:
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
+
 set-blocking@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"