feat: Add groups dependabot

[mm-psy]

This PR adds Dependabot grouping configuration to consolidate version updates into single pull requests. The changes configure all three package ecosystems (NuGet, Docker, and GitHub Actions) to group major, minor, and patch updates together, ensuring that the PR area does not consist solely of dependency updates.

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[github-actions]

Test & Coverage Report

Test Results Summary

Metric	Count
✅ Passed	460
❌ Failed	0
⏭️ Skipped	0

View Detailed Test Results

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Code Coverage

Unit Tests Coverage

Package	Line Rate	Branch Rate	Complexity	Health
AAS.TwinEngine.DataEngine	90%	80%	1188	✔
Summary	90% (2049 / 2273)	80% (836 / 1044)	1188	✔

Minimum allowed line rate is 80%

Module Tests Coverage

Package	Line Rate	Branch Rate	Complexity	Health
AAS.TwinEngine.DataEngine	56%	40%	1188	➖
Summary	56% (1279 / 2273)	40% (421 / 1044)	1188	➖

[Copilot]

Pull request overview

This PR adds Dependabot grouping configuration to consolidate dependency updates into single pull requests instead of individual PRs for each package. The configuration groups major, minor, and patch version updates together for improved pull request management.

Changes:

• Added groups configuration with major-minor-patch grouping to all three package ecosystems
• Configured grouping to apply to version updates with all update types (major, minor, patch)

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