Use Java 8

We could probably force Java 7 but it's not receiving any security updates.

No idea how anyone could exploit javac inside a workflow but who knows...

Signed-off-by: TheKodeToad <[email protected]>

Author: TheKodeToad

.github/workflows/maven-build.yml

@@ -13,10 +13,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 7
+    - name: Set up JDK 8
       uses: actions/setup-java@v4
       with:
-        java-version: '7'
+        java-version: '8'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven