feat(vcr): normalize buildpacks-related data for container deploy tests

[Mia-Cross]

In the CLI test Test_Deploy/Buildpack from the container package, we need to normalize buildpacks IDs in the URLs of both the request and the cassette for them to match.

Needed for scaleway-cli#5580

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.38%. Comparing base (2e9e4ce) to head (320b057).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
vcr/vcr.go	0.00%	8 Missing ⚠️
vcr/matchers.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #3069      +/-   ##
========================================
- Coverage   3.38%   3.38%   -0.01%     
========================================
  Files        164     164              
  Lines      54333   54346      +13     
========================================
  Hits        1839    1839              
- Misses     52208   52221      +13     
  Partials     286     286              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.