Update Rust crate octocrab to 0.48

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
octocrab	dependencies	minor	0.47 -> 0.48

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Release Notes

XAMPPRocky/octocrab (octocrab)

v0.48.0

Compare Source

Added

• fetch contributor repository permission (#​825)
• [breaking] Use Option<AuthorAssociation> over String in Issue struct (#​822)

Other

• add missing issue event types (#​821)
• Remove fields deleted in October 2025 API changes (#​826)
• Bump jsonwebtoken to v10 (#​814)
• Feature/set http headers #​808 (#​819)

v0.47.1

Compare Source

Added

• add missing list workflows filters (#​820)

Other

• Modify _put method documentation (#​818)
• Feature/interactions 537 (#​817)
• Added Feature/classrooms #​524 (#​815)

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