Add doc about configuring TLS with Helm #9599

Job	Run time
Build	1m 54s
Run integration tests (test-e2e)	20m 46s
Run integration tests (test-integration-poller)	10m 1s
Lint	3m 13s
Run integration tests (test-e2e-deployments)	13m 29s
Run integration tests (test-e2e-serverless)	7m 15s
Run Unit Tests (test-with-cover-pkg)	3m 16s
Run Unit Tests (test-with-cover-tempodb)	15m 35s
Benchmark	9m 37s
Run Unit Tests (test-with-cover-tempodb-wal)	11m 17s
Run Unit Tests (test-with-cover-others)	12m 26s
Build technical documentation	24s
Check jsonnet & tempo-mixin	43s
Vendor check	1m 24s
	1h 51m 20s

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