Bump bitflags from 2.5.0 to 2.6.0

Bumps [bitflags](https://github.com/bitflags/bitflags) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/bitflags/bitflags/releases)
- [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md)
- [Commits](bitflags/bitflags@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: bitflags
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -18,7 +18,7 @@ build = "build.rs"
 anyhow = "1.0"
 asyncgit = { path = "./asyncgit", version = "0.26", default-features = false }
 backtrace = "0.3"
-bitflags = "2.5"
+bitflags = "2.6"
 bugreport = "0.5"
 bwrap = { version = "1.3", features = ["use_std"] }
 bytesize = { version = "1.3", default-features = false }