Update tsdb/db.go #8

Job	Run time
Build Prometheus for all architectures	0s
Build Prometheus for common architectures (0)	3m 43s
Check generated parser	16s
Build Prometheus for common architectures (1)	3m 36s
fuzzing	0s
golangci-lint	36s
Build Prometheus for common architectures (2)	3m 24s
Go tests	3m 42s
More Go tests	5m 0s
Go tests with previous Go version	3m 34s
Mixins tests	2m 20s
UI tests	2m 6s
Go tests on Windows	9m 22s
codeql / Analyze (javascript)	1m 51s
Report status of build Prometheus for all architectures	0s
Publish UI on npm Registry	1m 47s
Publish release artefacts	0s
Publish main branch artifacts	0s
	41m 17s

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