HHH-17319 Use Oracle GraalVM for Atlas builds

Author: loiclefevre

.github/workflows/atlas.yml

@@ -49,10 +49,10 @@ jobs:
           RUNID: ${{ github.run_number }}
         run: ci/database-start.sh
       - name: Set up Java 11
-        uses: actions/setup-java@v4
+        uses: graalvm/setup-graalvm@v1
         with:
-          distribution: 'temurin'
-          java-version: '11'
+          distribution: 'graalvm'
+          java-version: '21'
       - name: Get year/month for cache key
         id: get-date
         run: echo "yearmonth=$(/bin/date -u "+%Y-%m")" >> $GITHUB_OUTPUT