Handle quoted file paths in hunk headers #2207

Job	Run time
Clippy	51s
Code coverage	2m 59s
Integration tests (macos-latest)	1m 48s
Integration tests (ubuntu-latest)	2m 7s
Rustfmt	3s
Unit tests (macos-latest, aarch64-apple-darwin, false)	2m 6s
Unit tests (macos-12, x86_64-apple-darwin, false)	3m 4s
Unit tests (windows-latest, x86_64-pc-windows-msvc, false)	6m 10s
Unit tests (ubuntu-latest, x86_64-unknown-linux-gnu, false)	2m 27s
Unit tests (ubuntu-latest, x86_64-unknown-linux-musl, true)	3m 3s
Unit tests (ubuntu-latest, i686-unknown-linux-gnu, true)	2m 52s
Unit tests (ubuntu-latest, arm-unknown-linux-gnueabihf, true)	3m 6s
Unit tests (ubuntu-latest, aarch64-unknown-linux-gnu, true)	3m 20s
	33m 56s

Provide feedback