building with jdk 11

JDK 8 seems to be unavailable for macos-latest. Perhaps the latest macOS
runners use Apple Silicon which has no JDK8 temurin distribution
available.

Author: Kantis

.github/workflows/master.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Setup JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
 
       - name: Run tests
@@ -58,7 +58,7 @@ jobs:
       - name: Setup JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
 
       - name: Run macos tests
@@ -92,7 +92,7 @@ jobs:
       - name: Setup JDK
         uses: actions/setup-java@v4
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
 
       - name: Run tests