Bump karma from 5.0.9 to 6.3.16 in /asterixdb/asterix-dashboard/src/node

Bumps [karma](https://github.com/karma-runner/karma) from 5.0.9 to 6.3.16.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v5.0.9...v6.3.16)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/asterixdb/asterix-dashboard/src/node/package.json b/asterixdb/asterix-dashboard/src/node/package.json
old mode 100755
new mode 100644
index 8aef8bd..e551b4d
--- a/asterixdb/asterix-dashboard/src/node/package.json
+++ b/asterixdb/asterix-dashboard/src/node/package.json
@@ -52,7 +52,7 @@
     "eslint": "^7.1.0",
     "jasmine-core": "3.6.0",
     "jasmine-spec-reporter": "5.0.2",
-    "karma": "5.0.9",
+    "karma": "6.3.16",
     "karma-chrome-launcher": "3.1.0",
     "karma-cli": "2.0.0",
     "karma-coverage-istanbul-reporter": "3.0.2",