Add per-tenant duration to the blocklist and trace per-tenant polling #9547

Job	Run time
Build	1m 49s
Benchmark	9m 34s
Run integration tests (test-e2e)	20m 26s
Lint	3m 11s
Run integration tests (test-integration-poller)	9m 58s
Run Unit Tests (test-with-cover-pkg)	3m 10s
Run integration tests (test-e2e-deployments)	13m 42s
Run Unit Tests (test-with-cover-tempodb)	4m 38s
Build technical documentation	19s
Run integration tests (test-e2e-serverless)	7m 5s
Run Unit Tests (test-with-cover-tempodb-wal)	4m 55s
Run Unit Tests (test-with-cover-others)	4m 56s
Check jsonnet & tempo-mixin	46s
Vendor check	1m 24s
	1h 25m 53s

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