Support pushing to BSR from release branches #86

Job	Run time
check-diff	2m 48s
detect-noop	9s
unit-tests	4m 57s
lint	2m 25s
codeql	5m 58s
e2e-tests (base)	4m 50s
fuzz-test	21m 6s
e2e-tests (environment-configs)	10m 48s
protobuf-schemas	8s
publish-artifacts	20m 46s
trivy-scan-fs	12s
e2e-tests (usage)	10m 15s
e2e-tests (realtime-compositions)	9m 42s
	1h 34m 4s

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