Fix JDK number in comments

Author: TGWDB

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       with:
         fetch-depth: 0  # Fetch all history for all branches
 
-    - name: Set up JDK 11
+    - name: Set up JDK 8
       uses: actions/setup-java@v2
       with:
         distribution: 'adopt'