Re-add Java 8 to the CI build matrix

Author: sideshowbarker

.github/workflows/build.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [11, 14, 15-ea, 16-ea]
+        java: [8, 11, 14, 15-ea, 16-ea]
         os: [ubuntu-latest, macos-latest, windows-latest]
     name: Java ${{ matrix.java }}
     steps: