Bump the rust-updates group with 3 updates

Bumps the rust-updates group with 3 updates: [tokio](https://github.com/tokio-rs/tokio), [sysinfo](https://github.com/GuillaumeGomez/sysinfo) and [rstest](https://github.com/la10736/rstest).


Updates `tokio` from 1.39.3 to 1.40.0
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.39.3...tokio-1.40.0)

Updates `sysinfo` from 0.31.3 to 0.31.4
- [Changelog](https://github.com/GuillaumeGomez/sysinfo/blob/master/CHANGELOG.md)
- [Commits](GuillaumeGomez/sysinfo@v0.31.3...v0.31.4)

Updates `rstest` from 0.21.0 to 0.22.0
- [Release notes](https://github.com/la10736/rstest/releases)
- [Changelog](https://github.com/la10736/rstest/blob/master/CHANGELOG.md)
- [Commits](la10736/rstest@v0.21.0...v0.22.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-updates
- dependency-name: sysinfo
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-updates
- dependency-name: rstest
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-updates
...

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

Author: dependabot[bot]

Cargo.lock

@@ -45,7 +45,7 @@ git2 = { version = "0.18.3", features = [
 uuid = { version = "1.8.0", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }
 thiserror = "1.0.63"
-tokio = { version = "1.39.2", default-features = false }
+tokio = { version = "1.40.0", default-features = false }
 keyring = "2.3.3"
 anyhow = "1.0.86"
 fslock = "0.2.1"

Cargo.toml

@@ -40,7 +40,7 @@ tokio = { workspace = true, optional = true, features = [
 uuid = { workspace = true, features = ["v4", "fast-rng"] }
 rand = "0.8.5"
 futures.workspace = true
-sysinfo = "0.31.2"
+sysinfo = "0.31.4"
 gix-path = "0.10.9"
 
 [target."cfg(unix)".dependencies]

crates/gitbutler-git/Cargo.toml

@@ -24,7 +24,7 @@ mock_instant = { version = "0.5.1", optional = true }
 [dev-dependencies]
 gitbutler-notify-debouncer = { path = ".", features = ["mock_instant"] }
 pretty_assertions = "1.4.0"
-rstest = "0.21"
+rstest = "0.22"
 serde = { version = "1.0.204", features = ["derive"] }
 deser-hjson = "1.1.1"