feat: randomize port for integration tests to help with build parallelization

(cherry picked from commit 1fc944a)

Author: metacosm

integration-tests/src/main/resources/application.properties

@@ -24,4 +24,7 @@ quarkus.operator-sdk.activate-leader-election-for-profiles=prod,test,dev
 
 ## activate to prevent the operator to start when debugging tests (note that some tests might fail because of this)
 quarkus.operator-sdk.start-operator=false
-quarkus.operator-sdk.enable-ssa=false
+quarkus.operator-sdk.enable-ssa=false
+
+## randomize Quarkus port for tests
+quarkus.http.test-port=0