Upgrade to java 17 (#58)

Signed-off-by: Abdelsalem <[email protected]>

Author: AbdelHedhili

.github/workflows/maven.yml

@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 11
+          java-version: 17
 
       - name: Checkout sources
         uses: actions/checkout@v1

pom.xml

@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-parent-ws</artifactId>
-        <version>10</version>
+        <version>11</version>
         <relativePath/>
     </parent>
 
@@ -44,7 +44,6 @@
     </developers>
 
     <properties>
-        <java.version>11</java.version>
         <gridsuite-dependencies.version>23</gridsuite-dependencies.version>
     </properties>