Fix builds

Author: slinkydeveloper

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'adopt'
 
       - name: Setup Gradle

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ 11 ]
+        java: [ 11, 17 ]
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java }}
@@ -31,8 +31,8 @@ jobs:
         uses: gradle/actions/wrapper-validation@v3
 
       - name: Build with Gradle
-        # Javadoc 11 won't work with our Javadocs, they need 21
-        run: ./gradlew build -x javadoc
+        # Javadoc 11 won't work with our Javadocs, they need >= 17
+        run: ./gradlew build ${{ matrix.java == '11' && '-x javadoc' || '' }}
 
       - name: Upload test results
         if: always()