PR-715551: Fix CI — upgrade to Node 22 and remove --legacy-peer-deps.

ruru@2.0.0 requires Node >=22. Updated all workflow jobs to Node 22
and removed --legacy-peer-deps flag since peer deps resolve cleanly.

.github/workflows/main-workflow.yml

@@ -16,17 +16,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
     steps:
     - uses: actions/checkout@v3
-    - name: Use Node.js 20
+    - name: Use Node.js 22
       uses: actions/setup-node@v3
       with:
-        node-version: 20
+        node-version: 22
         cache: 'npm'
         registry-url: https://registry.npmjs.org/
-    - run: npm ci --legacy-peer-deps
+    - run: npm ci
     - run: npm test
 
   # Job to build the package
@@ -38,9 +38,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 20
+          node-version: 22
           registry-url: https://registry.npmjs.org/
-      - run: npm ci --legacy-peer-deps 
+      - run: npm ci 
       - run: npm run build
 
   # Job to publish the package to npm
@@ -52,9 +52,9 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: 20
+          node-version: 22
           registry-url: https://registry.npmjs.org/
-      - run: npm ci --legacy-peer-deps
+      - run: npm ci
       - run: npm publish --access=public
         env:
           NPM_PERSONAL_TOKEN: ${{secrets.npm_token}}