Update Rust crate octocrab to 0.39

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
octocrab	dependencies	minor	0.38 -> 0.39

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Release Notes

XAMPPRocky/octocrab (octocrab)

v0.39.0

Compare Source

Added

• support permission on list_collaborators (#​630)
• add check run pull requests and list parameters (#​494)
• implement hook deliveries (#​668)
• allow sending non String payload with execute (#​665)
• added /user/blocks functionality (#​657)
• add method to create repo webhook (#​640)

Fixed

• use put instead of get for set_thread_subscription (#​661)
• (builder) Change add_retry_config signature to match others in OctocrabBuilder (#​643)

Other

• getting Code Scanning (#​669)
• added missing /repos/{owner}/{repo}/pulls/... handlers (#​546) (#​605)
• Properly mark feature-gated functionality in docs (#​662)
• repos/releases improvements (#​666)
• Add AutoRebaseEnabled to models.rs (#​660)
• cargo fmt (#​658)
• Fix issue #​635 (#​637)
• Update issues.rs (#​634)
• Add head repo to create pr (#​636)
• Added support for make_latest in UpdateReleaseBuilder (#​646)
• Changing the user name from required to optional parameter (#​650)
• Update models.rs (#​651)

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