updating workflows to use java 11

Author: kmoore-intuit

.github/workflows/beta_release.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
           server-id: ossrh
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v1
         with:
-          java-version: 8
+          java-version: 11
           server-id: ossrh
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD