Introduce method to handle claim mappings with IdP group to role assignment resolving

[SujanSanjula96]

Proposed changes in this pull request

#Subject to be used in grant handlers which handles the custom claims in grant handlers itself.

Need to bump framework version after merging wso2/carbon-identity-framework#6305

Issue - wso2/product-is#21009

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12970128613

[codecov]

Codecov Report

Attention: Patch coverage is 5.26316% with 18 lines in your changes missing coverage. Please review.

Project coverage is 56.04%. Comparing base (a59a31c) to head (e377de0).
Report is 7 commits behind head on master.

Files with missing lines	Patch %	Lines
...g/wso2/carbon/identity/oauth2/util/ClaimsUtil.java	0.00%	18 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2682      +/-   ##
============================================
+ Coverage     55.87%   56.04%   +0.17%     
+ Complexity     8479     8395      -84     
============================================
  Files           654      654              
  Lines         49017    48095     -922     
  Branches       9656     9490     -166     
============================================
- Hits          27386    26954     -432     
+ Misses        17746    17314     -432     
+ Partials       3885     3827      -58     

Flag	Coverage Δ
unit	39.50% <5.26%> (-0.08%)	⬇️

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PR builder completed
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Status: failure

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PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12971117818

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PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12971117818
Status: success

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Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12971117818

[SujanSanjula96]

Unit tests will be added in a separate PR.