Add Java 11/17/21 matrix for precommit and assemble checks (#11035)

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>
(cherry picked from commit a512dae)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

.github/workflows/assemble.yml

@@ -7,13 +7,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        java: [ 11, 17, 21 ]
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: ${{ matrix.java }}
           distribution: temurin
       - name: Setup docker (missing on MacOS)
         if: runner.os == 'macos'

.github/workflows/precommit.yml

@@ -7,13 +7,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        java: [ 11, 17, 21 ]
         os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: ${{ matrix.java }}
           distribution: temurin
           cache: gradle
       - name: Run Gradle (precommit)