[chore] Rename internal/featuregates to internal/globalgates #20951

Job	Run time
govulncheck	28s
setup-environment	15s
test-coverage	7m 25s
checks	1m 52s
lint	3m 36s
cross-build-collector (darwin, amd64)	44s
cross-build-collector (darwin, arm64)	39s
unittest-matrix (ubuntu-latest, ~1.22)	4m 47s
cross-build-collector (linux, 386)	45s
unittest-matrix (ubuntu-latest, ~1.21.12)	3m 19s
cross-build-collector (linux, amd64)	51s
cross-build-collector (linux, arm64)	45s
cross-build-collector (linux, ppc64le)	38s
cross-build-collector (linux, arm, 7)	36s
cross-build-collector (linux, s390x)	39s
cross-build-collector (windows, 386)	39s
cross-build-collector (windows, amd64)	51s
unittest	1s
	28m 50s

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