Add labels to nameserver #22

Job	Run time
privileged	53s
race-build	4m 28s
race-root-integration (1/4)	1m 23s
test (amd64, -coverprofile=/tmp/coverage.out)	7m 22s
race-root-integration (2/4)	1m 17s
test (amd64, -race, 1/3)	7m 52s
race-root-integration (3/4)	1m 16s
test (amd64, -race, 2/3)	7m 45s
race-root-integration (4/4)	1m 16s
test (amd64, -race, 3/3)	7m 51s
test (386)	5m 21s
windows	8m 3s
android	55s
cross (linux, arm64)	4m 2s
cross (linux, 386)	3m 54s
crossmin (plan9, amd64)	55s
cross (linux, loong64)	3m 55s
crossmin (aix, ppc64)	1m 2s
cross (linux, arm, 5)	4m 3s
depaware	32s
cross (linux, arm, 7)	4m 57s
cross (darwin, amd64)	3m 48s
fuzz	7m 2s
cross (darwin, arm64)	3m 48s
cross (windows, amd64)	3m 34s
cross (windows, arm64)	3m 38s
go_generate	1m 10s
cross (freebsd, amd64)	3m 55s
cross (openbsd, amd64)	3m 56s
go_mod_tidy	29s
ios	50s
licenses	6s
tailscale_go	35s
staticcheck (linux, amd64)	3m 38s
staticcheck (windows, amd64)	3m 29s
vm	0s
staticcheck (darwin, amd64)	3m 38s
wasm	7m 53s
staticcheck (windows, 386)	3m 23s
check_mergeability	2s
notify_slack	1s
	2h 13m 57s

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