Tighten file permissions #9440

Job	Run time
Lint	3m 16s
Run integration tests (test-e2e)	12m 59s
Run integration tests (test-integration-poller)	10m 0s
Build	1m 48s
Benchmark	7m 29s
Run integration tests (test-e2e-deployments)	12m 58s
Build technical documentation	21s
Run integration tests (test-e2e-serverless)	12m 42s
Check jsonnet & tempo-mixin	51s
Run Unit Tests (test-with-cover-pkg)	3m 15s
Vendor check	1m 21s
Run Unit Tests (test-with-cover-tempodb)	15m 53s
Run Unit Tests (test-with-cover-tempodb-wal)	11m 27s
Run Unit Tests (test-with-cover-others)	12m 24s
	1h 46m 44s

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