Fix all open Dependabot Python alerts in Pipfiles

[ihalatci]

Summary

This PR addresses all currently open Dependabot alerts in this repository by updating vulnerable Python dependencies in both mirrored regression-test environments:

• src/test/regress/Pipfile / Pipfile.lock
• .devcontainer/src/test/regress/Pipfile / Pipfile.lock

Updated dependencies

• cryptography: 44.0.3 -> 46.0.5 (patched: >=46.0.5)
• Werkzeug: 3.1.4 -> 3.1.5 (patched: >=3.1.5)
• filelock: resolved to 3.25.0 (patched: >=3.20.3)
• pyasn1: resolved to 0.6.2 (patched: >=0.6.2)

Alerts covered

Closes Dependabot alerts: #98, #99, #100, #101, #102, #103, #104, #105, #106, #107, #108, #109.

Notes

Lockfiles were regenerated with pipenv lock in both directories to ensure consistent, hashed resolution.

[ihalatci]

Supersedes Dependabot PRs #8444, #8445, #8450, #8452, #8455, #8456, #8474, and #8476 with one consolidated Pipfile/Pipfile.lock security update.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.90%. Comparing base (d3330fd) to head (d1c57c7).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8488      +/-   ##
==========================================
- Coverage   88.91%   88.90%   -0.01%     
==========================================
  Files         286      286              
  Lines       63109    63109              
  Branches     7910     7910              
==========================================
- Hits        56114    56108       -6     
- Misses       4730     4733       +3     
- Partials     2265     2268       +3     

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