reduce updates to weekly and remove black

[blooop]

Summary by Sourcery

Update the dependabot configuration to check for updates monthly instead of weekly and remove black from the dev-dependencies group.

Enhancements:

• Remove black from the development dependencies group.

CI:

• Update the dependency update schedule from weekly to monthly.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request modifies the dependabot configuration to reduce the frequency of updates for pip dependencies from weekly to monthly and removes the black formatter from the dev-dependencies group.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Reduce update frequency	Changed the schedule.interval from weekly to monthly for the pip package ecosystem	.github/dependabot.yml
Remove black from dev-dependencies	Removed black from the dev-dependencies group's patterns	.github/dependabot.yml

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[sourcery-ai]

Hey @blooop - I've reviewed your changes - here's some feedback:

Overall Comments:

• Please document the rationale for reducing update frequency to monthly. While this may reduce PR noise, it could delay security patches.
• What's the reasoning behind removing black from the grouped dependencies? Is it being removed from the project or handled separately?

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.88%. Comparing base (0205f63) to head (8b135c7).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #43   +/-   ##
=======================================
  Coverage   25.88%   25.88%           
=======================================
  Files           1        1           
  Lines          85       85           
=======================================
  Hits           22       22           
  Misses         63       63