Bump karma from 6.4.1 to 6.4.2

Bumps [karma](https://github.com/karma-runner/karma) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma@v6.4.1...v6.4.2)

---
updated-dependencies:
- dependency-name: karma
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -16,7 +16,7 @@
     "jasmine-sinon": "^0.4.0",
     "jsdoc": "~4.0.2",
     "jshint": "*",
-    "karma": "~6.4.1",
+    "karma": "~6.4.2",
     "karma-chrome-launcher": "^3.2.0",
     "karma-coverage": "*",
     "karma-jasmine": "~1.1.0",

yarn.lock

@@ -1144,10 +1144,10 @@ karma-junit-reporter@*:
     path-is-absolute "^1.0.0"
     xmlbuilder "12.0.0"
 
-karma@~6.4.1:
-  version "6.4.1"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-6.4.1.tgz#f2253716dd3a41aaa813fa9f54b6ee047e1127d9"
-  integrity sha512-Cj57NKOskK7wtFWSlMvZf459iX+kpYIPXmkNUzP2WAFcA7nhr/ALn5R7sw3w+1udFDcpMx/tuB8d5amgm3ijaA==
+karma@~6.4.2:
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-6.4.2.tgz#a983f874cee6f35990c4b2dcc3d274653714de8e"
+  integrity sha512-C6SU/53LB31BEgRg+omznBEMY4SjHU3ricV6zBcAe1EeILKkeScr+fZXtaI5WyDbkVowJxxAI6h73NcFPmXolQ==
   dependencies:
     "@colors/colors" "1.5.0"
     body-parser "^1.19.0"