pom: add exta java option to run powermock test under java17

Result:
it's possible to use java17 compiler to produce java11 bytecode

Acked-by: Lea Morschel
Target: master
Require-book: no
Require-notes: no
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>

pom.xml

@@ -1342,6 +1342,16 @@
                          to accept the overhead of forking each test run. -->
                     <forkCount>1</forkCount>
                     <reuseForks>false</reuseForks>
+                    <!-- Make Powermock compatible with JDK 17 -->
+                    <argLine>
+                        --add-opens java.base/java.lang=ALL-UNNAMED
+                        --add-opens java.base/java.util=ALL-UNNAMED
+                        --add-opens java.base/java.lang.reflect=ALL-UNNAMED
+                        --add-opens java.base/java.time=ALL-UNNAMED
+                        --add-opens java.base/java.time.format=ALL-UNNAMED
+                        --add-opens java.base/java.util.concurrent=ALL-UNNAMED
+                        --add-opens java.base/java.util.stream=ALL-UNNAMED
+                    </argLine>
                 </configuration>
             </plugin>