#9557 fix: Remove deprecated `meltano lock --all` flag Pull request opened by edgarrmondragon For v4. ## Summary by Sourcery Remove the deprecated --all flag from the meltano lock command and clean up related code, tests, and documentation Enhancements: • Remove --all click option, all_plugins parameter, and deprecation warning from the lock command implementation Documentation: • Remove all mentions of the deprecated --all flag from the CLI reference documentation Tests: • Remove deprecation warning test for --all flag and renumber remaining lock command tests meltano/meltano