ci: add release-please workflow

[marcossevilla]

Description

Add release-please-action workflow for this repository.

You can check this example: VeryGoodOpenSource/vgv-ai-flutter-plugin#59.

Requirements

• All CI/CD checks are passing.
• There is no drop in the test coverage percentage.

Additional Context

No response

[unicoderbot]

Great, I will work on a PR and push it soon.

• Preparing environment
  • Cloning repository
  • Setting up dev environment
• Working on changes
• Reviewing changes
• Opening pull request

I've opened a pull request: #150