rename knative-sandbox

[lkingland]

Renames knative-sandbox to knative-extensions in a few remaining places.

Supersedes #1899

/kind chore

[knative-prow]

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[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.93% 🎉

Comparison is base (7ec31cf) 61.83% compared to head (d2190a6) 62.76%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1905      +/-   ##
==========================================
+ Coverage   61.83%   62.76%   +0.93%     
==========================================
  Files         107      107              
  Lines       13827    13827              
==========================================
+ Hits         8550     8679     +129     
+ Misses       4421     4266     -155     
- Partials      856      882      +26     

Flag	Coverage Δ
e2e-test	35.46% <100.00%> (ø)
e2e-test-oncluster	30.71% <100.00%> (+0.02%)	⬆️
e2e-test-oncluster-runtime	25.63% <100.00%> (?)
e2e-test-runtime-go	25.82% <100.00%> (?)
e2e-test-runtime-node	26.90% <100.00%> (?)
e2e-test-runtime-python	26.90% <100.00%> (?)
e2e-test-runtime-quarkus	27.02% <100.00%> (?)
e2e-test-runtime-springboot	26.04% <100.00%> (?)
e2e-test-runtime-typescript	27.02% <100.00%> (?)
integration-tests	51.43% <100.00%> (+2.17%)	⬆️
unit-tests-macos-latest	48.62% <100.00%> (ø)
unit-tests-ubuntu-latest	49.38% <100.00%> (ø)
unit-tests-windows-latest	48.64% <100.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
cmd/repository.go	56.33% <100.00%> (ø)

... and 5 files with indirect coverage changes

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[davidhadas]

/retest

[matejvasek]

#1906

[matejvasek]

/lgtm

[matejvasek]

/lgtm

[matejvasek]

@lkingland please check the failing integration test, probably just a flake, but maybe not.