support numeric values in CSV release field

[Xia-Zhao-rh]

Description of the change:

The GetRelease() function previously failed when the release field in a CSV spec was specified as a numeric value (e.g., release: 0.20250104) instead of a string. This occurred because YAML parsers treat values starting with digits as numbers, and the function attempted to unmarshal directly into a string type, causing a type mismatch error.

Modified GetRelease() to first unmarshal into an interface{} type, then convert to string using fmt.Sprintf(), allowing it to handle both string and numeric release values.

[openshift-ci]

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.44%. Comparing base (9fa4d9b) to head (7f67d7a).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/registry/csv.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1904   +/-   ##
=======================================
  Coverage   57.44%   57.44%           
=======================================
  Files         139      139           
  Lines       13323    13323           
=======================================
  Hits         7653     7653           
  Misses       4488     4488           
  Partials     1182     1182           

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[Xia-Zhao-rh]

/close

[openshift-ci]

@Xia-Zhao-rh: Closed this PR.

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In response to this:

/close

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