Setup required JDK for newer Gradle versions

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

Author: theimpulson

.github/workflows/ci.yml

@@ -24,13 +24,16 @@ permissions:
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ '11', '21' ]
     steps:
       - uses: actions/checkout@v6
 
-      - name: set up JDK 11
+      - name: set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: '11'
+          java-version: ${{ matrix.java }}
           distribution: 'temurin'
 
       - name: Cache Gradle wrapper dists

.github/workflows/docs.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: set up JDK 11
+      - name: set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: '11'
+          java-version: 21
           distribution: 'temurin'
 
       - name: Cache Gradle dependencies