Update CI testing matrix to Node 20 and 22

Co-authored-by: turadg <21505+turadg@users.noreply.github.com>

Author: Copilot

.github/workflows/pr.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18, 20]
+        node-version: [20, 22]
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
@@ -29,10 +29,10 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
-      - name: Use Node.js 18
+      - name: Use Node.js 20
         uses: actions/setup-node@v4
         with:
-          node-version: "18.18"
+          node-version: "20"
       - run: corepack enable
       - run: yarn install
       - name: yarn start:docker