devel/git-extras: Update to 6.5.0

ChangeLog: https://github.com/tj/git-extras/releases/tag/6.5.0

• Include revert conflicts in git abort
• fix(git-effort):fork: retry: Resource temporarily unavailable
• git-sync --force will sync without interaction
• fix(git-cp): keep the history of the files
• git-bulk: previous refactor redirected $PWD to stderr by mistake
• Fix lazy loading bash_completion from XDG_DATA_DIRS
• feat(bin/git-browse): open website at file & line number or range
• #970 standup added -A flag for author date
• update git-utimes.{1,html} to add --newer flag
• git-utimes: add --newer flag and don't touch files in the working tree and index
• docs(instllation): replace git.io
• Added config git-extras.standup-implicit-week for git standup
• Document git standup -w option

PR: 266953
Reported by: igor.ostapenko@pm.me (maintainer)