build: bump gdbstub_arch from 0.2.2 to 0.2.3

Bumps [gdbstub_arch](https://github.com/daniel5151/gdbstub) from 0.2.2 to 0.2.3.
- [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)

---
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

@@ -291,9 +291,9 @@ dependencies = [
 
 [[package]]
 name = "gdbstub_arch"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51dc4b5718ac76d21e8605c0966dd32d80273b89b11e6cfef467b04e45934d37"
+checksum = "c24f469ba9556c5a063d6df35a8a338025fccf96ecae44f330a156b686f7a268"
 dependencies = [
  "gdbstub",
  "num-traits",

vmm/Cargo.toml

@@ -27,7 +27,7 @@ devices = { path = "../devices" }
 epoll = "4.3.1"
 event_monitor = { path = "../event_monitor" }
 gdbstub = { version = "0.6.2", optional = true }
-gdbstub_arch = { version = "0.2.2", optional = true }
+gdbstub_arch = { version = "0.2.3", optional = true }
 hypervisor = { path = "../hypervisor" }
 lazy_static = "1.4.0"
 libc = "0.2.126"