GENERAL
▶ [patch]
Go patch update from 1.17.7 to 1.17.8. Also upgrade golangci-lint from 1.39.0 to 1.44.2.
DEPLOYERS
▶ [patch] [5234](https://github.com/taskcluster/taskcluster/issues/5234)
Added initial `/__heartbeat__` endpoint to all service APIs. Simply returning a 200 empty JSON object for now - implementation to follow in individual PRs per service.
Addresses issues 5234, 5236, 5237, 5238, 5239, 5240, 5241, 5242
Automated Package Updates
<details>
<summary>1 Renovate updates</summary>
* Update dependency karma to v6.3.16 [SECURITY] (cf36b0cc8)
</details>