test: e2e test

[JeyJeyGao]

Test:

• added e2e test for Linux, windows and macOS
• includes 14 test cases: imported pem/pfx certs chain, unordered pem/pfx certs chain, azure key vault csr pem/pfx certs chain, self-signed pem/pfx certs, partial pem/pfx certs chain with local cert bundle and corresponding invalid cases.

Additional files:

• dockerfile for build distribution registry on windows
• zot configuration for local registry on macOS
• generate-certs.sh script for create certificate on azure key vault for future re-generating certificates.
• download-server.py hosts a local download server for notation github action to download plugin.

Example:
https://github.com/JeyJeyGao/notation-azure-kv/actions/runs/7000398798/job/19040998652?pr=6

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8884168) 95.09% compared to head (a98fde7) 91.65%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #141      +/-   ##
==========================================
- Coverage   95.09%   91.65%   -3.45%     
==========================================
  Files          16       16              
  Lines         551      551              
  Branches        0       67      +67     
==========================================
- Hits          524      505      -19     
- Misses         27       33       +6     
- Partials        0       13      +13     

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