Reverting to test with java 8 again

Author: Morten Haraldsen

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                java: [ 11, 17, 21 ]
+                java: [8, 11, 17, 21 ]
         name: Java ${{ matrix.java }}
         steps:
             -   uses: actions/checkout@v3