build(deps): bump github.com/goplus/cobra from 1.9.11 to 1.9.12

Bumps [github.com/goplus/cobra](https://github.com/goplus/cobra) from 1.9.11 to 1.9.12.
- [Release notes](https://github.com/goplus/cobra/releases)
- [Commits](https://github.com/goplus/cobra/compare/v1.9.11...v1.9.12)

---
updated-dependencies:
- dependency-name: github.com/goplus/cobra
  dependency-version: 1.9.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -5,7 +5,7 @@ go 1.23
 toolchain go1.24.1
 
 require (
-	github.com/goplus/cobra v1.9.11 //gop:class
+	github.com/goplus/cobra v1.9.12 //gop:class
 	github.com/goplus/gogen v1.18.0
 	github.com/goplus/lib v0.2.0
 	github.com/goplus/llgo/runtime v0.0.0-00010101000000-000000000000