Update workflows so that CI only runs on main/dev/release, and allow contributors' PR to be CI-evaluated

[ProKil]

Closes #

📑 Description

✅ Checks

• [x] My pull request adheres to the code style of this project
• [x] My code requires changes to the documentation
• [x] I have updated the documentation as required
• [x] All the tests have passed
• [x] Branch name follows type/descript (e.g. feature/add-llm-agents)
• [x] Ready for code review

ℹ Additional Information

[ProKil]

Close as it was solved in #94