update dependecy versions

[ihalatci]

DESCRIPTION:
🚀 Motivation

• Upgrade mitmproxy (12.2.1) to address CVEs and enable downstream dependency refreshes tied to security bulletins.
• Refresh Python packages used by the regression proxy harness, so they remain compatible with the upgraded mitmproxy API and current patch levels.
• Keep the [check-pytest] infrastructure resilient on both SSL-enabled and SSL-less PostgreSQL builds encountered in CI and local development.

🔄 Summary of Changes

1. Mitmproxy Upgrade & Harness Adaptation

• Bumped mitmproxy to 12.2.1, which replaces the legacy TCP mode with the new reverse:tcp:// listener and requires explicit connection strategy flags.
• Updated pg_regress_multi.pl and the Python proxy scripts to:
  -- Use the reverse:tcp:// endpoint format.
  -- Pass [--set connection_strategy=lazy]so new connections are accepted after mitmproxy’s change in default behavior.
  -- Handle ResetHandler cleanup differences introduced in mitmproxy 12 (guard when the client socket is already closed).
• Adjusted columnar tests to accept the new psycopg EOF message variants surfaced once mitmproxy’s forwarding changed, ensuring the failure expectations still match.

2. Python Dependency Refresh

• Synchronized requirements.txt/Pipenv lockfiles to versions compatible with mitmproxy 12 and recent security patches.
• Ensured pytest plugins referenced in regression tests remain up to date (pytest 9, pytest-xdist 3.8, etc.), matching our supported Python 3.12 toolchain.

3. Pytest Harness Hardening

• Added runtime detection in [common.py] to determine whether PostgreSQL was compiled with SSL ([pg_config --configure]
• If SSL support is absent (as in our CI images), we now skip writing ssl = on into postgresql.conf and omit hostssl entries in pg_hba.conf.
• This prevents pg_ctl from failing with “SSL is not supported by this build” when the tests restart cluster nodes.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.78%. Comparing base (55eb366) to head (7a21daf).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8422      +/-   ##
==========================================
- Coverage   88.79%   88.78%   -0.01%     
==========================================
  Files         287      287              
  Lines       63237    63001     -236     
  Branches     7927     7895      -32     
==========================================
- Hits        56151    55938     -213     
- Misses       4751     4820      +69     
+ Partials     2335     2243      -92     

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