try reading pnpm version from package.json

Author: hejtful

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 0 # full history for SonarCloud
       - uses: pnpm/action-setup@v4
         with:
-          version: 10.7.0
+          package_json_file: org.knime.ui.js/package.json
       - name: Install Node.js
         uses: actions/setup-node@v6
         with:
@@ -62,7 +62,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
         with:
-          version: 10.7.0
+          package_json_file: org.knime.ui.js/package.json
 
       - name: Install Node.js
         uses: actions/setup-node@v6

.github/workflows/copilot-setup-steps.yml

@@ -28,7 +28,7 @@ jobs:
 
       - uses: pnpm/action-setup@v4
         with:
-          version: 10.7.0
+          package_json_file: org.knime.ui.js/package.json
 
       - name: Install Node.js
         uses: actions/setup-node@v6