Fix workflow to use Java 17 with latest maven compiler plugin

(older/inferred versions didn't support maven.compiler.relase property)

Author: BalusC

.github/workflows/jakartified.maven.yml

@@ -30,10 +30,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'adopt'
         cache: maven
     - name: Test with Maven

pom.xml

@@ -151,6 +151,13 @@
 				</executions>
 			</plugin>
 
+            <!-- Configure the compiler. -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.13.0</version>
+            </plugin>
+
 			<!-- Configure the jar with the binaries and test binaries. -->
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>