Bump json5, ts-loader, webpack and webpack-cli

Removes [json5](https://github.com/json5/json5). It's no longer used after updating ancestor dependencies [json5](https://github.com/json5/json5), [ts-loader](https://github.com/TypeStrong/ts-loader), [webpack](https://github.com/webpack/webpack) and [webpack-cli](https://github.com/webpack/webpack-cli). These dependencies need to be updated together.


Removes `json5`

Updates `ts-loader` from 6.0.1 to 9.4.2
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/main/CHANGELOG.md)
- [Commits](https://github.com/TypeStrong/ts-loader/compare/v6.0.1...v9.4.2)

Updates `webpack` from 4.32.2 to 5.75.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v4.32.2...v5.75.0)

Updates `webpack-cli` from 3.3.12 to 5.0.1
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/v3.3.12...webpack-cli@5.0.1)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: ts-loader
  dependency-type: direct:development
- dependency-name: webpack
  dependency-type: direct:development
- dependency-name: webpack-cli
  dependency-type: direct:development
...

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

src/bin/hamcore/wwwroot/admin/default/package.json

@@ -13,12 +13,12 @@
   "devDependencies": {
     "@types/jquery": "^3.3.29",
     "jquery": "^3.4.1",
-    "ts-loader": "^6.0.1",
+    "ts-loader": "^9.4.2",
     "tslint": "^5.16.0",
     "typescript": "^3.4.5",
     "vpnrpc": "^1.0.1",
-    "webpack": "^4.32.2",
+    "webpack": "^5.75.0",
-    "webpack-cli": "^3.3.2"
+    "webpack-cli": "^5.0.1"
   },
   "dependencies": {
     "core-js": "^3.1.3",