chore(deps): bump github.com/goplus/gogen from 1.20.6 to 1.20.8

Bumps [github.com/goplus/gogen](https://github.com/goplus/gogen) from 1.20.6 to 1.20.8.
- [Release notes](https://github.com/goplus/gogen/releases)
- [Commits](goplus/gogen@v1.20.6...v1.20.8)

---
updated-dependencies:
- dependency-name: github.com/goplus/gogen
  dependency-version: 1.20.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.1
 
 require (
 	github.com/goplus/cobra v1.9.12 //gop:class
-	github.com/goplus/gogen v1.20.6
+	github.com/goplus/gogen v1.20.8
 	github.com/goplus/lib v0.3.1
 	github.com/goplus/llgo/runtime v0.0.0-00010101000000-000000000000
 	github.com/goplus/llvm v0.8.5

go.sum

@@ -6,8 +6,8 @@ github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/goplus/cobra v1.9.12 h1:0F9EdEbeGyITGz+mqoHoJ5KpUw97p1CkxV74IexHw5s=
 github.com/goplus/cobra v1.9.12/go.mod h1:p4LhfNJDKEpiGjGiNn0crUXL5dUPA5DX2ztYpEJR34E=
-github.com/goplus/gogen v1.20.6 h1:pYc+dImJ+9QsmMiz0fd4KaTdQFfgTKsKjtho4lBqQeU=
-github.com/goplus/gogen v1.20.6/go.mod h1:87ZJD1mdljXx2pkvBrMGynGUz6m08brj9p6xhb5aq2Y=
+github.com/goplus/gogen v1.20.8 h1:ENpppvJESrI2JYe3hdHX1vpKEEh6cLw1Ts5DQ1juNM0=
+github.com/goplus/gogen v1.20.8/go.mod h1:87ZJD1mdljXx2pkvBrMGynGUz6m08brj9p6xhb5aq2Y=
 github.com/goplus/lib v0.3.1 h1:Xws4DBVvgOMu58awqB972wtvTacDbk3nqcbHjdx9KSg=
 github.com/goplus/lib v0.3.1/go.mod h1:SgJv3oPqLLHCu0gcL46ejOP3x7/2ry2Jtxu7ta32kp0=
 github.com/goplus/llvm v0.8.5 h1:DUnFeYC3Rco622tBEKGg8xkigRAV2fh5ZIfBCt7gOSs=