build(deps): bump github.com/goplus/gogen from 1.18.1 to 1.19.0

Bumps [github.com/goplus/gogen](https://github.com/goplus/gogen) from 1.18.1 to 1.19.0.
- [Release notes](https://github.com/goplus/gogen/releases)
- [Commits](https://github.com/goplus/gogen/compare/v1.18.1...v1.19.0)

---
updated-dependencies:
- dependency-name: github.com/goplus/gogen
  dependency-version: 1.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.1
 
 require (
 	github.com/goplus/cobra v1.9.12 //gop:class
-	github.com/goplus/gogen v1.18.1
+	github.com/goplus/gogen v1.19.0
 	github.com/goplus/lib v0.2.0
 	github.com/goplus/llgo/runtime v0.0.0-00010101000000-000000000000
 	github.com/goplus/llvm v0.8.3