v0.5.45 release (latest)

v0.5.45 release notes for the GitHub Release v0.5.45 (release task: Issue #1338).

Tag state (verified against origin)

Ref	Object	Points at
`v0.5.45`	annotated tag `8c069b1d43c52a3d80b84660237e4fe194e31d82`	commit `0f56981394b8b0ea4383373a62930e60a3964e13`

Clarification gate comment mentions nobody: @-mention the Issue author so a stopped ticket actually reaches a person (Issue #1336; PR #1341)
Turn on the thin-ticket clarification gate for orbi-build/orbi (clarify_thin_tickets = true) (Issue #1337; PR #1340)