Re-enable eslint test

    Re-enable eslint test

See https://progress.opensuse.org/issues/192169 and
#2879

We also need to re-create the package-lock file to avoid a mistmatch,
since we started using npm ci instead of npm install

Author: JRivrain

.github/workflows/eslint.yml

@@ -4,7 +4,6 @@ name: eslint
 on: [push, pull_request]
 jobs:
   test:
-    if: false  # disabled because currently failing
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v5