Update dependency karma to v6.4.3

Author: renovate[bot]

package.json

@@ -48,7 +48,7 @@
     "@rollup/plugin-babel": "6.0.4",
     "concurrently": "8.2.2",
     "husky": "8.0.3",
-    "karma": "6.4.2",
+    "karma": "6.4.3",
     "karma-firefox-launcher": "2.1.2",
     "karma-jasmine": "5.1.0",
     "pinst": "3.0.0",