build(deps): update bitflags requirement from 1.2.1 to 2.2.1

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](https://github.com/bitflags/bitflags/compare/1.2.1...2.2.1)

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

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

aya/Cargo.toml

@@ -15,7 +15,7 @@ libc = { version = "0.2.105" }
 aya-obj = { path = "../aya-obj", version = "0.1.0", features = ["std"] }
 thiserror = "1"
 object = { version = "0.31", default-features = false, features = ["std", "read_core", "elf"] }
-bitflags = "1.2.1"
+bitflags = "2.2.1"
 bytes = "1"
 lazy_static = "1"
 parking_lot = { version = "0.12.0", features = ["send_guard"] }