Tags backend #89

Job	Run time
Benchmark	8m 34s
Build	1m 33s
Build technical documentation	18s
Test integration e2e suite	15m 36s
Test serverless integration e2e suite	6m 3s
Lint	30s
Check jsonnet & tempo-mixin	1m 18s
Test packages - others	9m 4s
Test packages - pkg	2m 16s
Test packages - tempodb	13m 42s
Test packages - tempodb/wal	10m 45s
Vendor check	1m 13s
	1h 10m 52s

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