ci: update dependabot configuration

[SMoraisAnsys]

Description

Make dependabot PRs weekly and add groups of dependencies.

Issue linked

None

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate tests (unit, integration, system).
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved by the PR if any.
• I have assigned this PR to myself.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: add optical property)
• I have agreed with the Contributor License Agreement (CLA).

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.05%. Comparing base (673fa6a) to head (5a54f0d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #574   +/-   ##
=======================================
  Coverage   88.05%   88.05%           
=======================================
  Files          38       38           
  Lines        4127     4127           
=======================================
  Hits         3634     3634           
  Misses        493      493           

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