build(deps): update bitflags requirement from 1.2.1 to 2.4.1

Updates the requirements on [bitflags](https://github.com/bitflags/bitflags) to permit the latest version.
- [Release notes](https://github.com/bitflags/bitflags/releases)
- [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md)
- [Commits](bitflags/bitflags@1.2.1...2.4.1)

---
updated-dependencies:
- dependency-name: bitflags
  dependency-type: direct:production
...

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

Cargo.toml

@@ -13,4 +13,4 @@ edition = "2018"
 
 [dependencies]
 backtrace = "0.3.55"
-bitflags = "1.2.1"
+bitflags = "2.4.1"