Update GitHub actions to use Java 17

Author: skydoves

.github/workflows/pull-request.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
         distribution: adopt
-        java-version: 11
+        java-version: 17
     - name: Build app
       run: ./gradlew assembleDebug