build(deps): update block2 requirement from 0.5.0 to 0.6.0 (#372)

Updates the requirements on [block2](https://github.com/madsmtm/objc2) to permit the latest version.
- [Commits](madsmtm/objc2@objc-0.5.0...objc-0.6.0)

---
updated-dependencies:
- dependency-name: block2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

compio-runtime/Cargo.toml

@@ -56,7 +56,7 @@ windows-sys = { workspace = true, features = ["Win32_UI_WindowsAndMessaging"] }
 
 [target.'cfg(target_os = "macos")'.dev-dependencies]
 core-foundation = "0.10.0"
-block2 = "0.5.0"
+block2 = "0.6.0"
 
 [target.'cfg(not(any(windows, target_os = "macos")))'.dev-dependencies]
 glib = "0.20"