Bump @types/webpack-env from 1.18.6 to 1.18.8

Bumps [@types/webpack-env](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/webpack-env) from 1.18.6 to 1.18.8.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/webpack-env)

---
updated-dependencies:
- dependency-name: "@types/webpack-env"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -71,7 +71,7 @@
   "devDependencies": {
     "@types/node": "^18.19.74",
     "@types/vscode": "^1.76.0",
-    "@types/webpack-env": "^1.18.6",
+    "@types/webpack-env": "^1.18.8",
     "@typescript-eslint/eslint-plugin": "^8.22.0",
     "@typescript-eslint/parser": "^8.22.0",
     "@vscode/test-web": "^0.0.65",