Do not resolve executables as relative path from current directory (d…

…andavison#658)

* Refactor: child pager process creation

* Protect calls to Command::new behind grep_cli::resolve_binary

* Move less env-var setting into less-specific branch

Edit README

Fix filenames with spaces (dandavison#643)

* Fix parsing of file path from diff line

Fixes dandavison#625

* Parse diff line only if needed

* Add test of diff of filenames with spaces

* Strip trailing tab inserted by git when file path contains space

git appears to add a trailing tab character when the file name contains a space:

$ git diff --no-index b.file 01g\ -\ Text | cat -A
diff·--git·a/b.file·b/01g·-·Text␊
index·e69de29..d00491f·100644␊
---·a/b.file␊
+++·b/01g·-·Text├──┤␊
@@·-0,0·+1·@@␊
+1␊

Bump version

Bump version

Bump version 0.6.0 -> 0.7.0

Bump version for release

Recreate Cargo.lock

Ref dandavison#487

rm Cargo.lock
cargo build --release

refactor main in order to call process::exit once (dandavison#480)

* refactor main in order to call process::exit once

Co-authored-by: tl-marco-ieni <marco.ieni@truelayer.com>
Co-authored-by: Dan Davison <dandavison7@gmail.com>

Bump unicode-segmentation from 1.7.0 to 1.7.1 (dandavison#408)

Bumps [unicode-segmentation](https://github.com/unicode-rs/unicode-segmentation) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/unicode-rs/unicode-segmentation/releases)
- [Commits](https://github.com/unicode-rs/unicode-segmentation/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>