Update core-lib-gcp to use universal auth token requester, refactor mappers configuration(GONRG-4058)

Description:

Update core lib GCP, to use universal auth token requester. Refactor mappers configuration. Updated Readme.md

Changes include:

• Refactor (a non-breaking change that improves code maintainability).
• Bugfix (a non-breaking change that solves an issue).
• New feature (a non-breaking change that adds functionality).
• Breaking change (a change that is not backward-compatible and/or changes current functionality).

Changes in:

• GCP
• Azure
• AWS
• IBM

Dev Checklist:

• Added Unit Tests, wherever applicable.
• Updated the Readme, if applicable.
• Existing Tests pass
• Verified functionality locally
• Self Reviewed my code for formatting and complex business logic.

legal-core/pom.xml

@@ -5,12 +5,12 @@
 	<parent>
 		<groupId>org.opengroup.osdu.legal</groupId>
 		<artifactId>legal-service</artifactId>
-		<version>0.13.0-SNAPSHOT</version>
+		<version>0.14.0-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.opengroup.osdu.legal</groupId>
 	<artifactId>legal-core</artifactId>
-	<version>0.13.0-SNAPSHOT</version>
+	<version>0.14.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 	<name>legal-core</name>
 	<description>Legal service core</description>