#9556 fix: Removed `meltano install - <plugin_name>` support in favor of new `meltano install <plugin_name>` Pull request opened by edgarrmondragon ## Description ## Related Issues • Closes #XXXX ## Summary by Sourcery Remove support for the deprecated dash-based syntax in the install command and clean up related code, documentation, and tests. Enhancements: • Drop handling of the legacy ‘meltano install - ’ syntax from the install CLI and validation utilities Documentation: • Revise CLI reference to remove deprecated dash syntax and introduce version-specific usage tabs Tests: • Eliminate tests for the removed dash-based install syntax meltano/meltano