chore: configure commitlint on CI

[dannycalleri]

With this PR we want to build upon #309 and set up commitlint to run on CI when pushing to main or doing any kind of activity on a pull request.

This workflow will:

• Check out the repository with all its history
• Set up Node and pnpm
• Install commitlint (with cache support)
• Validate last commit and PR commits

[michelegera]

Hi @dannycalleri 👋

I recently made some formatting changes to this workflow on ember-lottie (via qonto/ember-lottie#323) to ensure that we have name as the first item of each step, and that steps are visually separated by blank lines.

Not blocking, but would be great if you could adapt this PR as well! WDYT?

[dannycalleri]

I recently made some formatting changes to this workflow on ember-lottie (via qonto/ember-lottie#323) to ensure that we have name as the first item of each step, and that steps are visually separated by blank lines.

Not blocking, but would be great if you could adapt this PR as well! WDYT?

Done, thanks for that 🙏