ci: update java-version 17

Author: elidaniel92

.github/workflows/pull_request.yml

@@ -5,13 +5,13 @@ on: [pull_request]
 jobs:
   build_and_test:
     runs-on: ubuntu-latest
-    
+
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 14
+    - name: Set up JDK 17
       uses: actions/setup-java@v1
       with:
-        java-version: 14
+        java-version: 17
 
     - name: Cache the Maven packages to speed up build
       uses: actions/cache@v1