blueprints: only watch for fs events we're interested in (#7810) #6

Job	Run time
lint-golint	1m 14s
test-unittest	3m 17s
ci-outpost-mark	1s
build-container (proxy)	3m 34s
build-binary (proxy, linux, amd64)	1m 48s
build-container (ldap)	2m 10s
build-binary (proxy, linux, arm64)	1m 55s
build-container (radius)	2m 6s
build-container (rac)	7m 14s
build-binary (ldap, linux, amd64)	1m 47s
build-binary (ldap, linux, arm64)	1m 48s
build-binary (radius, linux, amd64)	1m 43s
build-binary (radius, linux, arm64)	1m 48s
build-binary (rac, linux, amd64)	1m 50s
build-binary (rac, linux, arm64)	1m 46s
	34m 1s

Provide feedback