Explore gix APIs, experiment with gix-blame API #5371

Job	Run time
check-blocking	4s
cargo-deny-advisories	25s
cargo-deny	29s
check-packetline (ubuntu-latest)	6s
lint	3m 31s
pure-rust-build	1m 58s
test	10m 28s
test-32bit	5m 33s
test-32bit-cross (armv7-linux-androideabi)	1m 8s
test-fast (windows-latest)	15m 45s
test-fixtures-windows	13m 49s
test-fast (macos-latest)	3m 0s
test-journey	3m 52s
test-fast (ubuntu-latest)	3m 32s
WebAssembly (wasm32-unknown-unknown)	1m 2s
WebAssembly (wasm32-wasi)	46s
Tests pass	1s
	1h 5m 29s

Provide feedback