Test on Java 8

Author: acogoluegnes

.github/workflows/test-supported-java-versions.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        java: [ '11', '17', '20', '21-ea', '22-ea']
+        java: [ '8', '11', '17', '20', '21-ea', '22-ea']
     name:  Test against Java ${{ matrix.java }}
     steps:
       - uses: actions/checkout@v4