chore: bump ts-loader from 8.0.13 to 9.2.4 (#662)

Author: dependabot[bot]

modules/example-browser/package.json

@@ -35,7 +35,7 @@
     "karma-coverage-istanbul-reporter": "^3.0.3",
     "karma-mocha": "2.0.1",
     "karma-webpack": "^4.0.2",
-    "ts-loader": "8.0.13",
+    "ts-loader": "9.2.4",
     "ts-node": "^9.1.1",
     "tslib": "^2.2.0",
     "typescript": "^4.0.2",