Copilot claims no changes occurred, even when they did

[RyanCavanaugh]

Describe the bug

Coding agent will sometimes claim it made no changes, even when pushing a non-empty commit.

To Reproduce
Steps to reproduce the behavior:

See microsoft/TypeScript#62066 (comment)

Expected behavior

This commit changed the line endings in its diff to match the rest of the file. The file was not correctly formatted prior to the change, but it claims that it was.