chore: adjust code to make php-cs-fixer and phpstan pass

[phil-davis]

The latest php-cs-fixer and phpstan want to make a few changes.

I needed to pin php-cs-fixer to 3.62.0 because of issue PHP-CS-Fixer/PHP-CS-Fixer#8182

After that is fixed, we can probably move to 3.63

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.78%. Comparing base (c14420f) to head (e1cc246).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #667   +/-   ##
=========================================
  Coverage     98.78%   98.78%           
  Complexity     1875     1875           
=========================================
  Files            71       71           
  Lines          5273     5273           
=========================================
  Hits           5209     5209           
  Misses           64       64           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.