Change the channel for notification.

[a-masterov]

Problem

Now notifications about failures in pg_regress tests run on the staging cloud instance, reach the channel on-call-staging-stream, while they should reach on-call-qa-staging-stream

Summary of changes

The channel changed.

[github-actions]

7740 tests run: 7409 passed, 0 failed, 331 skipped (full report)

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Flaky tests (4)

Postgres 17

• test_physical_replication_config_mismatch_max_locks_per_transaction: release-x86-64

Postgres 15

• test_parallel_copy: release-arm64
• test_physical_replication_config_mismatch_too_many_known_xids: release-arm64

Postgres 14

• test_physical_replication_config_mismatch_max_locks_per_transaction: release-arm64

Code coverage* (full report)

• functions: 31.4% (8375 of 26700 functions)
• lines: 47.8% (65920 of 137916 lines)

* collected from Rust tests only

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_{The comment gets automatically updated with the latest test results
84be608 at 2024-12-12T16:30:39.947Z :recycle:}

[bayandin]

Thank you!