use correct java version

Author: michaelprichardson

.github/workflows/pull_request.yml

@@ -7,10 +7,11 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
+
+      - uses: actions/setup-java@v3
         with:
-          java-version: 1.8
+          distribution: 'zulu'
+          java-version: 11
 
       - name: Short SHA
         env: