WireMock.Net.Testcontainers: Use 'sheyenrath/wiremock.net-alpine' image as default for Linux

[StefH]

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[codecov]

Codecov Report

Attention: Patch coverage is 67.39130% with 15 lines in your changes missing coverage. Please review.

Project coverage is 49.65%. Comparing base (f89f0fa) to head (9022965).
Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
...ck.Net.Tests/Testcontainers/TestcontainersTests.cs	67.39%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1181      +/-   ##
==========================================
+ Coverage   49.59%   49.65%   +0.06%     
==========================================
  Files         199      199              
  Lines       35017    35037      +20     
==========================================
+ Hits        17367    17398      +31     
+ Misses      17179    17168      -11     
  Partials      471      471              

Flag	Coverage Δ
	49.65% <67.39%> (+0.06%)	⬆️

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