Javascript pipeline update

Author: semohr

.github/workflows/eslint.yml .github/workflows/javascript.yml.github/workflows/eslint.yml renamed to .github/workflows/javascript.yml

@@ -1,22 +1,14 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-# ESLint is a tool for identifying and reporting on patterns
-# found in ECMAScript/JavaScript code.
-# More details at https://github.com/eslint/eslint
-# and https://eslint.org
-
-name: ESLint
+name: Javascript
 
 on:
     push:
         branches: ["main"]
         paths:
-          - frontend/**
+            - frontend/**
     pull_request:
         # The branches below must be a subset of the branches above
         branches: ["main"]
+    workflow_dispatch:
 
 jobs:
     eslint:
@@ -26,16 +18,26 @@ jobs:
             contents: read
             security-events: write
             actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+        strategy:
+            matrix:
+                node-version: [20]
         steps:
             - name: Checkout code
               uses: actions/checkout@v4
-
-            - name: Install ESLint
+            - name: Install pnpm
+              uses: pnpm/action-setup@v4
+              with:
+                  version: 9
+            - name: Use Node.js ${{ matrix.node-version }}
+              uses: actions/setup-node@v4
+              with:
+                  node-version: ${{ matrix.node-version }}
+                  cache: "pnpm"
+            - name: Install dependencies
               run: |
                   cd ./frontend
-                  npm install
-
+                  pnpm install --frozen-lockfile
             - name: Run ESLint
               run: |
                   cd ./frontend
-                  npm run lint
+                  pnpm run lint