Update build process for Java 17

.gitlab-ci.yml

@@ -17,16 +17,19 @@ stages:
 compile:
   stage: compile
   script:
+    - "chmod +x ./mvnw"
     - "./mvnw --batch-mode compile"
 
 test:
   stage: test
   script:
+    - "chmod +x ./mvnw"
     - "./mvnw --batch-mode test"
 
 package:
   stage: package
   script:
+    - "chmod +x ./mvnw"
     - "./mvnw --batch-mode package"
   artifacts:
     paths: