Updating Monolog bridge code with PHP 8.1 features

[msmakouz]

Q	A
Bugfix?	❌
Breaks BC?	❌
New feature?	❌
Issues	#512

[codecov]

Codecov Report

Merging #612 (5c7e8a9) into 3.0 (06a5b93) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##                3.0     #612      +/-   ##
============================================
+ Coverage     83.48%   83.51%   +0.02%     
  Complexity     5873     5873              
============================================
  Files           667      667              
  Lines         14893    14888       -5     
============================================
  Hits          12433    12433              
+ Misses         2460     2455       -5     

Impacted Files	Coverage Δ
.../Bridge/Dotenv/src/Bootloader/DotenvBootloader.php	0.00% <0.00%> (ø)
...ridge/Monolog/src/Bootloader/MonologBootloader.php	0.00% <0.00%> (ø)
src/Bridge/Monolog/src/Config/MonologConfig.php	0.00% <0.00%> (ø)
src/Bridge/Monolog/src/EventHandler.php	0.00% <0.00%> (ø)
src/Bridge/Monolog/src/LogFactory.php	0.00% <0.00%> (ø)

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