ci: refactor workflows

[lotyp]

Changes / Additions

.github/labeler.yml

• Added to automatically label pull requests.

.github/workflows/build-phar-release.yml

• Merged with .github/workflows/github-releases-to-discord.yml and set the workflow trigger to release publish.

psalm-baseline.xml

• Fixed issue caused by PHP-CS-Fixer-Config global namespacing rule changes.

.github/workflows/testing.yml

• Added job compile-phar to build PHAR in continuous integration mode.

.github/workflows/coding-standards.yml

• Added a new workflow and merged the PHP-CS-Fixer check from .github/workflows/lint-php-files.yml. This workflow now includes:
  • YAML linting
  • Commit linting
  • Markdown linting
  • Coding standards check

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.21%. Comparing base (9edba9f) to head (471a3ba).

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #93   +/-   ##
=========================================
  Coverage     24.21%   24.21%           
  Complexity     1122     1122           
=========================================
  Files           129      129           
  Lines          3403     3403           
=========================================
  Hits            824      824           
  Misses         2579     2579           

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