Bump CI Java version

Author: fdennis

.github/workflows/build.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17, 21, 25]
+        java: [17, 21, 25]
         distribution: [temurin]
         include:
           - java: 25
@@ -62,7 +62,7 @@ jobs:
     - name: Run test using Java 8 runtime
       run: ./gradlew testJava8
 
-    - name: Archive HTML test report
+    - name: Archive HTML test reports
       if: ${{ always() }}
       uses: actions/upload-artifact@v5
       with:
@@ -77,15 +77,13 @@ jobs:
         path: "*/build/test-results/**/*.xml"
 
     - name: Check binary reproducibility
-      if: ${{ matrix.java != 8 }}  # JDK 8 does not produce reproducible binaries
       run: |
         ./gradlew clean primaryPublishJar
         find . -name '*.jar' | grep -v buildSrc | grep -v gradle-wrapper | xargs sha256sum | tee java-webauthn-server-artifacts.sha256sum
         ./gradlew clean primaryPublishJar && sha256sum -c java-webauthn-server-artifacts.sha256sum
         ./gradlew clean primaryPublishJar && sha256sum -c java-webauthn-server-artifacts.sha256sum
 
     - name: Archive artifact checksums
-      if: ${{ matrix.java != 8 }}  # JDK 8 does not produce reproducible binaries
       uses: actions/upload-artifact@v5
       with:
         name: artifact-checksums-java${{ matrix.java }}-${{ matrix.distribution }}