Improve psalm

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[what-the-diff]

PR Summary

• Addition of a New Job in Workflow File
  This PR updates .github/workflows/static.yml to add a new job named psalm74-80. This job uses a distinct configuration file (psalm74-80.xml) and supports PHP versions 7.4 and 8.0. This means that the system can perform its operations on more current versions of PHP.

• Dependency Version Update in Composer File
  We've updated the version of vimeo/psalm in our composer.json file. This helps to ensure that our system is using the latest, most secure, and optimized version of the dependency.

• Enabling Options and Adding Issue Handlers in Psalm Configuration
  Updates to the psalm.xml file include enabling the findUnusedBaselineEntry and findUnusedCode options. These enable our application do a better job at identifying possibly unneeded code snippets or entries, improving the efficiency of our codebase. Two new issue handlers, MixedAssignment and RiskyTruthyFalsyComparison have also been added to help catch and handle additional potential problems in code.

• New Alternative Psalm Configuration File
  A new configuration file, psalm74-80.xml, was introduced in this PR. This alternative file just enables the MixedAssignment issue handler, giving us flexibility in our testing and troubleshooting process.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (fcfc45c) to head (537a6fc).

Additional details and impacted files

@@             Coverage Diff             @@
##              master       #50   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        36        36           
===========================================
  Files              7         7           
  Lines            103       103           
===========================================
  Hits             103       103           

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