Chore: Add dependabot configuration

[nick-y-ito]

Overview

Introduces dependabot configuration.

Screen Captures

References

• https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file

Notes

• I purposely set the interval to daily to get quick feedback. Once we get used to it, we can set it to either weekly or monthly
• If we receive too many PRs, consider adding groups option

Assignee Checklist:

• [x] The naming convention of the PR title is correct (See the comment at the top of this template)
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• [ ] All the related issues are associated with this PR
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• [ ] My changes do not generate new warnings or errors (especially in the console)

Reviewer Checklist:

• [ ] Double-check the "Assignee Checklist"
• [ ] The code follows the generic best practices and our Coding Style Guide
• [ ] The code is well-commented and easy to understand
• [ ] The UI changes accurately reflect the provided design