Introduce dependabot configuration for Github Actions

[RyeMutt]

Description

I noticed that various github action dependencies were out of date and that there was no dependabot config to automate this.

Introduces a dependabot configuration file to automate updates to github actions dependencies

Related Issues

• Please link to a relevant GitHub issue for additional context.
  • Bug Fix: Link to an issue that includes reproduction steps and testing guidance.
  • Feature/Enhancement: Link to an issue with a write-up, rationale, and requirements.

Issue Link:

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Checklist

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• I have provided a clear title and detailed description for this pull request.
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• The PR is linked to a relevant issue with sufficient context.
• I have tested the changes locally and verified they work as intended.
• All new and existing tests pass.
• Code follows the project's style guidelines.
• Documentation has been updated if needed.
• Any dependent changes have been merged and published in downstream modules
• I have reviewed the contributing guidelines.

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Additional Notes

[bennettgoble]

Thanks! :)