Add dependabot configuration

[chrisdoherty4]

Description

Why is this needed

Fixes: #

How Has This Been Tested?

How are existing users impacted? What migration steps/scripts do we need?

Checklist:

I have:

• updated the documentation and/or roadmap (if required)
• added unit or e2e tests
• provided instructions on how to upgrade

[codecov]

Codecov Report

Merging #678 (21b2047) into main (84816fa) will not change coverage.
The diff coverage is n/a.

❗ Current head 21b2047 differs from pull request most recent head c2c7523. Consider uploading reports for the commit c2c7523 to get more accurate results

@@           Coverage Diff           @@
##             main     #678   +/-   ##
=======================================
  Coverage   49.30%   49.30%           
=======================================
  Files          18       18           
  Lines         860      860           
=======================================
  Hits          424      424           
  Misses        428      428           
  Partials        8        8           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more