refactor(repo): use diff to only run commands for changes

[xsahil03x]

This pull request includes several changes to GitHub workflows and the melos.yaml file to improve automation and streamline the CI/CD process. The changes focus on enhancing the workflow steps, updating the analysis and formatting scripts, and ensuring consistency in the pubspec.yaml files.

Improvements to GitHub Workflows:

• .github/workflows/legacy_version_analyze.yml: Removed unnecessary paths filters from push and pull_request events and updated step names with emojis for better readability. Consolidated multiple dart analyze steps into a single melos exec command. [1] [2]
• .github/workflows/stream_flutter_workflow.yml: Removed the analyze job and merged its steps into the lint job. Updated step names with emojis and consolidated steps for better readability and efficiency. [1] [2]
• .github/workflows/pr_title.yml: Added sample_app as a valid scope for PR titles.

Enhancements to melos.yaml:

• melos.yaml: Added new scripts for analyzing and formatting only changed packages, and updated existing scripts for better performance and readability. [1] [2] [3]

Consistency in pubspec.yaml files:

• Updated publish_to field in all pubspec.yaml files to ensure consistency across the project. [1] [2] [3] [4] [5] [6]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.57%. Comparing base (07e1a35) to head (a68cdfa).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2109   +/-   ##
=======================================
  Coverage   60.57%   60.57%           
=======================================
  Files         383      383           
  Lines       23927    23927           
=======================================
  Hits        14493    14493           
  Misses       9434     9434           

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