feat: Enable Dependabot for NuGet (repo)

[HofmeisterAn]

What does this PR do?

The previously used Dependabot configuration was too narrow for NuGet and did not run properly. This configuration enables Dependabot for the entire repository, excluding the examples. It also prevents Dependabot from bumping major versions for Cake and xUnit. For these packages, I want to ensure that we use versions that are compatible with each other. For xUnit, we cannot simply bump version 2 because we need to keep it explicitly for our xUnit v2 module.

Why is it important?

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Related issues

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Summary by CodeRabbit

• Chores
  • Updated dependency management configuration schedules from weekly to monthly intervals.
  • Adjusted dependency update rules and limits for improved release stability.

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 3e49e4eb-6a3c-424c-856e-d5ca92dfa645

📥 Commits

Reviewing files that changed from the base of the PR and between a29eae9 and 605546f.

📒 Files selected for processing (1)

• .github/dependabot.yml

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Walkthrough

Updated Dependabot configuration to switch github-actions and nuget schedules from weekly to monthly intervals, broadened nuget directory scope from /src to /, added exclusion patterns for example directories, increased open pull request limits, and expanded dependency ignore rules for Cake, xunit, and existing Microsoft packages.

Changes

Cohort / File(s)	Summary
Dependabot Configuration .github/dependabot.yml	Changed update schedules for github-actions and nuget from weekly to monthly; expanded nuget scope to root directory with examples exclusion; added open-pull-requests-limit of 3; broadened ignore rules to include Cake.\* and xunit\* packages alongside existing Microsoft dependency filters, all with semver-major update-type constraints.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• feat: Enable Dependabot for NuGet (src) #1653: Modifies NuGet configuration and update rules in Dependabot, with parallel adjustments to dependency ignore lists and scope settings.

Poem

🐰 Hops of caution, monthly now,
Dependencies under tighter brow,
Cake and xunit set aside with care,
Three pull requests in the air,
Dependabot dances a slower dance! 🎵

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description covers the main sections but lacks detail in critical areas like 'Why is it important?' which is marked as mandatory but only contains a dash.	Expand the 'Why is it important?' section with clear reasoning about the benefits of this Dependabot configuration change and its impact on the project.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately reflects the main change: enabling Dependabot for NuGet package management across the repository.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/enable-dependabot-repo

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