Update maven-publish.yml

Author: sjanarth

.github/workflows/maven-publish.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Set up Java for publishing to Maven Central Repository
       uses: actions/setup-java@v2
       with:
-        java-version: 1.8
+        java-version: 8.0
         distribution: 'adopt'
         server-id: ossrh
         server-username: MAVEN_USERNAME