Update changelog.json

bump dugite

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Co-Authored-By: Billy Griffin <5091167+billygriffin@users.noreply.github.com>

Update changelog.json

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Co-Authored-By: Neha Batra <nerdneha@github.com>

release notes for 2.3.2-beta7

Drop reference to "GitHub Desktop"

Co-Authored-By: Ed Luff <beartechtalks@gmail.com>

Update changelog.json

Co-Authored-By: evelyn masso <outofambit@github.com>

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Co-Authored-By: Billy Griffin <5091167+billygriffin@users.noreply.github.com>

Add changelog entry for supporting keyboard scrolling in diffs