Sync repo templates ⚙

[coreosbot-releng]

Created by GitHub workflow (source).

Sync with coreos/repo-templates@8881bd7.

[gemini-code-assist]

Code Review

This pull request, generated by a workflow, removes the Dependabot configuration for updating GitHub Actions. While this aligns the repository with a central template, it's a significant change that could impact security. My review includes a comment highlighting the risks of disabling automated updates for GitHub Actions and recommends keeping this configuration.

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.github/dependabot.yml (10-19)

Removing the Dependabot configuration for github-actions introduces a security risk. Without this, the repository will no longer receive automated pull requests for updating GitHub Actions. This could result in using outdated actions with known vulnerabilities. It is strongly recommended to retain this configuration to help maintain the security of the CI/CD pipeline.