Add audience field in Destinations to CRDs

[creydr]

Since knative/pkg#2796 we have the Audience in duckv1.Destination. This should be reflected in the CRDs too.

Proposed Changes

• 🧹 Add Audience field Destinations in CRDs

[creydr]

/assign @pierDipi @vishal-chdhry

[pierDipi]

/lgtm
/approve

[knative-prow]

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[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (3dfc2ea) 77.54% compared to head (6ad70a8) 77.52%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7318      +/-   ##
==========================================
- Coverage   77.54%   77.52%   -0.03%     
==========================================
  Files         250      250              
  Lines       13529    13529              
==========================================
- Hits        10491    10488       -3     
- Misses       2514     2516       +2     
- Partials      524      525       +1     

see 1 file with indirect coverage changes

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