Change to J11

Signed-off-by: shedaniel <daniel@shedaniel.me>

.github/workflows/publish.yml

@@ -14,10 +14,10 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v1
-            - name: Set up JDK 1.8
+            - name: Set up JDK 11
               uses: actions/setup-java@v1
               with:
-                  java-version: 1.8
+                  java-version: 11
             - name: Upload to Maven
               run: ./gradlew publish curseforgePublish --stacktrace
               if: |