Correct location of dependabot.yml

[yu-iskw]

Description

The path to dependabot.yml should be .github/dependabot.yml.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

Checklist

• Ran uv tool ruff format --config pyproject.toml
• If this is a bug fix:
  • Updated integration tests with bug repro
  • Linked to bug report ticket
• Added unit tests if needed
• Updated unit tests if needed
• Tests passed when run locally