Ensure cluster-api-ipam-provider-in-cluster respects the imagePath field in the BOM

[christianang]

What this PR does / why we need it

cluster-api-ipam-provider-in-cluster does not respect the imagePath field in the bom like other components do. This PR fixes that.

Which issue(s) this PR fixes

Describe testing done for PR

Created a management cluster locally with a tkg bom that changed the in-cluster ipam provider image to use a sandbox build in the imagePath.

Release note

cluster-api-ipam-provider-in-cluster respects the imagePath field from the TKG BOM

Additional information

Special notes for your reviewer

[github-actions]

Cluster Generation A/B Results:
https://storage.googleapis.com/tkg-clustergen/4529/20230328233919/clustergen.diff.txt
Author/reviewers:
Please review to verify that the effects on the generated cluster configurations are exactly what the PR intended, and give a thumbs-up if so.

[github-actions]

Cluster Generation A/B Results:
https://storage.googleapis.com/tkg-clustergen/4529/20230329214855/clustergen.diff.txt
Author/reviewers:
Please review to verify that the effects on the generated cluster configurations are exactly what the PR intended, and give a thumbs-up if so.

[github-actions]

Cluster Generation A/B Results:
https://storage.googleapis.com/tkg-clustergen/4529/20230330000916/clustergen.diff.txt
Author/reviewers:
Please review to verify that the effects on the generated cluster configurations are exactly what the PR intended, and give a thumbs-up if so.

[codecov]

Codecov Report

Merging #4529 (b929ac8) into main (fe8dd98) will decrease coverage by 0.85%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #4529      +/-   ##
==========================================
- Coverage   49.82%   48.97%   -0.85%     
==========================================
  Files         453      483      +30     
  Lines       45395    47519    +2124     
==========================================
+ Hits        22617    23273     +656     
- Misses      20626    22049    +1423     
- Partials     2152     2197      +45     

Impacted Files	Coverage Δ
tkg/tkgconfigupdater/images.go	83.17% <100.00%> (+0.65%)	⬆️

... and 35 files with indirect coverage changes

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