Improve Testcontainers Module

[nagyesta]

Issue: #1285

Description

• Adds new endpoints serving the default keystore and keystore password
• Adds new methods to the Testcontainers module to obtain the keystore and password
• Adds new test cases to cover new functionality
• Skips PR labeling from forks

Entry point

Checklists

• I have rebased my branch
• My commit message is meaningful
• The commit messages use semantic versioning: {major}, {minor} or {patch}
• The changes are focusing on the issue at hand
• I have maintained or increased test coverage

Notes

[codecov]

Codecov Report

Attention: Patch coverage is 89.18919% with 4 lines in your changes missing coverage. Please review.

Project coverage is 98.89%. Comparing base (8728523) to head (e4bd94a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...wkeyvault/testcontainers/LowkeyVaultContainer.java	78.94%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1288      +/-   ##
============================================
- Coverage     98.96%   98.89%   -0.08%     
- Complexity     2024     2030       +6     
============================================
  Files           239      239              
  Lines          4936     4963      +27     
  Branches        194      196       +2     
============================================
+ Hits           4885     4908      +23     
- Misses           38       42       +4     
  Partials         13       13              

Flag	Coverage Δ
app	99.36% <100.00%> (+<0.01%)	⬆️
client	94.00% <ø> (ø)
testcontainers	96.03% <78.94%> (-1.78%)	⬇️

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