chore: [V2] rename 'core' module to 'common' (#1364)

* First rename

* POM updates

* Rename namespace

* Fix

* Fix?

* More namespace changes

* Rename core examples to core utilities

* Finish renaming core utilities

* Clean up name/description of module

* More change

* Fix readme

Author: scottgerring

examples/powertools-examples-core/cdk/app/events/event.json renamed to examples/powertools-examples-core-utilities/cdk/app/events/event.json

@@ -40,7 +40,7 @@
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>aws-lambda-java-events</artifactId>
-            <version>3.11.2</version>
+            <version>3.11.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>