Add script to update semconv version if OTel is updated

[dsimansk]

Changes

• Add script to update semconv version if OTel is updated

Semconv version is used in the import path, after OTel version update there might be a mismatch between schemas. The script should detect the version and based on inline mapping or fetching correct version from OTel gomod file update the appropriate imports.

E.g.: #3381
https://github.com/knative/pkg/blob/main/observability/semconv/semconv.go#L21

/cc @dprotaso @gauron99

[knative-prow]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.88%. Comparing base (bee382a) to head (e82c9e0).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3385      +/-   ##
==========================================
+ Coverage   74.79%   74.88%   +0.08%     
==========================================
  Files         189      189              
  Lines        8349     8349              
==========================================
+ Hits         6245     6252       +7     
+ Misses       1857     1853       -4     
+ Partials      247      244       -3     

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