[NO_ISSUE] Process calendar springboot example (apache#2040)

* [NO ISSUE] Copied business-calendar-example to springboot implementation

* [NO ISSUE] Fixing test

---------

Co-authored-by: Gabriele-Cardosi <gabriele.cardosi@ibm.com>

Author: 2 people

kogito-quarkus-examples/pom.xml

@@ -67,7 +67,7 @@
         <module>pmml-event-driven-quarkus</module>
         <module>pmml-incubation-api-quarkus</module>
         <module>pmml-quarkus-example</module>
-        <module>process-business-calendar-example</module>
+        <module>process-business-calendar-quarkus-example</module>
         <module>process-business-rules-quarkus</module>
         <module>process-decisions-quarkus</module>
         <module>process-decisions-rest-quarkus</module>