build: bump gdbstub_arch from 0.2.0 to 0.2.2

Bumps [gdbstub_arch](https://github.com/daniel5151/gdbstub) from 0.2.0 to 0.2.2.
- [Release notes](https://github.com/daniel5151/gdbstub/releases)
- [Changelog](https://github.com/daniel5151/gdbstub/blob/master/CHANGELOG.md)
- [Commits](https://github.com/daniel5151/gdbstub/commits/0.2.2)

---
updated-dependencies:
- dependency-name: gdbstub_arch
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -292,9 +292,9 @@ dependencies = [
 
 [[package]]
 name = "gdbstub_arch"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40d34d4fe3f10e9741e20f9b576d980a1f3f4918ba4f629ef3dbf932ac1b55db"
+checksum = "51dc4b5718ac76d21e8605c0966dd32d80273b89b11e6cfef467b04e45934d37"
 dependencies = [
  "gdbstub",
  "num-traits",

vmm/Cargo.toml

@@ -26,7 +26,7 @@ devices = { path = "../devices" }
 epoll = "4.3.1"
 event_monitor = { path = "../event_monitor" }
 gdbstub = "0.6.1"
-gdbstub_arch = "0.2.0"
+gdbstub_arch = "0.2.2"
 hypervisor = { path = "../hypervisor" }
 lazy_static = "1.4.0"
 libc = "0.2.119"