Disable unsupported java versions

Author: electronicboy

.github/workflows/build.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17, 21]
+        java: [17, 21]
       fail-fast: true
     steps:
       - uses: actions/checkout@v4