Fixed PHPStan issues

[s1lver]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Tests pass?	✔️
Fixed issues

[codecov]

Codecov Report

❌ Patch coverage is 86.36364% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.27%. Comparing base (5be821e) to head (52c33f4).

Files with missing lines	Patch %	Lines
src/drivers/file/Queue.php	60.00%	2 Missing ⚠️
src/cli/Command.php	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #548      +/-   ##
============================================
- Coverage     46.54%   41.27%   -5.28%     
- Complexity      506      535      +29     
============================================
  Files            44       50       +6     
  Lines          1579     1771     +192     
============================================
- Hits            735      731       -4     
- Misses          844     1040     +196     

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