Bump simple-git from 3.20.0 to 3.21.0

Bumps [simple-git](https://github.com/steveukx/git-js/tree/HEAD/simple-git) from 3.20.0 to 3.21.0.
- [Release notes](https://github.com/steveukx/git-js/releases)
- [Changelog](https://github.com/steveukx/git-js/blob/main/simple-git/CHANGELOG.md)
- [Commits](https://github.com/steveukx/git-js/commits/[email protected]/simple-git)

---
updated-dependencies:
- dependency-name: simple-git
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -3250,9 +3250,9 @@ signal-exit@^4.0.1:
   integrity sha512-MY2/qGx4enyjprQnFaZsHib3Yadh3IXyV2C321GY0pjGfVBu4un0uDJkwgdxqO+Rdx8JMT8IfJIRwbYVz3Ob3Q==
 
 simple-git@^3.15.0:
-  version "3.20.0"
-  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-3.20.0.tgz#ff9c3f736d6b2bf0e3510209569d206aac84833d"
-  integrity sha512-ozK8tl2hvLts8ijTs18iFruE+RoqmC/mqZhjs/+V7gS5W68JpJ3+FCTmLVqmR59MaUQ52MfGQuWsIqfsTbbJ0Q==
+  version "3.21.0"
+  resolved "https://registry.yarnpkg.com/simple-git/-/simple-git-3.21.0.tgz#fb7b42749f53e7a53dfd213540d78b74e0aabe13"
+  integrity sha512-oTzw9248AF5bDTMk9MrxsRzEzivMlY+DWH0yWS4VYpMhNLhDWnN06pCtaUyPnqv/FpsdeNmRqmZugMABHRPdDA==
   dependencies:
     "@kwsites/file-exists" "^1.1.1"
     "@kwsites/promise-deferred" "^1.1.1"