Add laminas-servicemanager:v4 compatibility

[Slamdunk]

Fix #64

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 43.52%. Comparing base (421ae11) to head (b055705).

Files	Patch %	Lines
src/UnmappedAliasServiceLocatorProxy.php	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master      #65   +/-   ##
=========================================
  Coverage     43.52%   43.52%           
  Complexity      109      109           
=========================================
  Files            23       23           
  Lines           301      301           
=========================================
  Hits            131      131           
  Misses          170      170           

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