Promote Conan package registry from Experiment to Beta
## Summary Change the maturity status of the Conan package registry from **Experiment** to **Beta** to reflect the current state of development and readiness. ## Background The Conan package registry has been in Experiment status since its introduction. With the completion of key features including: - Conan v2 API support with recipe and package revisions - Full revision workflow (upload, list, delete) - Improved compatibility between Conan v1 and v2 clients The registry is now stable enough to be promoted to Beta status. ### Documentation updates Update the status badge and warning messages in the following documentation pages: #### Conan 1 repository - [ ] `doc/user/packages/conan_1_repository/_index.md` - Change `Status: Experiment` to `Status: Beta` - Update warning message about production readiness #### Conan 2 repository - [ ] `doc/user/packages/conan_2_repository/_index.md` - Change `Status: Experiment` to `Status: Beta` - Update warning message about production readiness #### Supported functionality page - [ ] `doc/user/packages/package_registry/supported_functionality.md` - Update the "Supported package managers" table: - Change Conan 1 from `[Experiment](...)` to `[Beta](...)` - Change Conan 2 from `[Experiment](...)` to `[Beta](...)` ### Additional considerations - [ ] Update any related API documentation if they contain maturity references: - `doc/api/packages/conan_v1.md` - `doc/api/packages/conan_v2.md`
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