Bump webpack from 5.15.0 to 5.16.0 in /src/vscode-bicep (#1346)

Bumps [webpack](https://github.com/webpack/webpack) from 5.15.0 to 5.16.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.15.0...v5.16.0)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/vscode-bicep/package-lock.json

@@ -116,7 +116,7 @@
     "typescript": "^4.1.3",
     "vsce": "^1.84.0",
     "vscode-test": "^1.4.1",
-    "webpack": "^5.15.0",
+    "webpack": "^5.16.0",
     "webpack-cli": "^4.4.0"
   },
   "dependencies": {