feat: processors async

[kaya-david]

Description

... work in progress ...

• geoip_enricher

  • make database loading and processing async
  • use async file locking and offload blocking filesystem operations
  • adapt tests

• grokker

  • load custom grok patterns asynchronously during setup
  • offload blocking downloads, ZIP extraction, and pattern initialization
  • clean up temporary pattern directories asynchronously

• requester

  • use aiohttp for asynchronous HTTP requests
  • manage the HTTP client session during setup and shutdown
  • preserve existing request configuration through aiohttp parameter conversion
  • adapt tests to use an async HTTP test server

• amides

  • load models asynchronously during setup
  • offload blocking filesystem operations, downloads, ZIP access, and model deserialization
  • prepare model downloads for asynchronous getter support

Assignee

• The changes adhere to the contribution guidelines
• I have performed a self-review of my code
• My changes generate no new warnings (e.g. flake8/mypy/pytest/...) other than deprecations

Documentation

• README.md is up-to-date
• CHANGELOG.md is up-to-date
• Documentation (doc/source) is up-to-date
• Preview for docs looks fine
• Notebooks are up-to-date and functional
• Examples are up-to-date and functional (including compose & k8s)

Code Quality

• Patch test coverage > 95% and does not decrease
• New code uses correct & specific type hints

How did you verify that the changes work in practice?

• pytest

Reviewer

• The code is readable/maintainable and follows the contribution guidelines
• Documentation is up-to-date
• Tests (unit & acceptance) are meaningful and not over-mocked

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The rendered docs for this PR can be found here.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 83.33333% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 93.04%. Comparing base (ce970b7) to head (7f7a0a2).

Files with missing lines	Patch %	Lines
logprep/ng/processor/requester/processor.py	72.41%	24 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1006      +/-   ##
==========================================
- Coverage   93.16%   93.04%   -0.12%     
==========================================
  Files         234      234              
  Lines       16070    16169      +99     
==========================================
+ Hits        14972    15045      +73     
- Misses       1098     1124      +26     

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