Improve Git Server version support

[sparsick]

Ensure that current release version of rockstorm git server Docker image is supported.

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.75% 🎉

Comparison is base (3f0c94a) 90.90% compared to head (9d5ed24) 91.66%.

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Additional details and impacted files

@@             Coverage Diff              @@
##               main      #16      +/-   ##
============================================
+ Coverage     90.90%   91.66%   +0.75%     
- Complexity        8        9       +1     
============================================
  Files             1        1              
  Lines            22       24       +2     
  Branches          1        2       +1     
============================================
+ Hits             20       22       +2     
  Misses            2        2              

Files Changed	Coverage Δ
...k/testcontainers/gitserver/GitServerContainer.java	91.66% <100.00%> (+0.75%)	⬆️

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