ncu should get pnpm global config from config.yaml or rc not both

https://github.com/raineorshine/npm-check-updates/blame/29f4b91bd89f5555f202f94f389d1eaee6c675c5/src/package-managers/pnpm.ts#L147-L160

When using pnpm 11+ ncu should read only `config.yaml` and when it is an older pnpm version it should only read `rc` file