Feat/actions updates

[pKorsholm]

What

• remove additional workflow run on pull request creation
• include linting in the pipeline though only with warnings, allowing the pipeline to pass with a failing linter but warnings

How

• Add a new job in the action.yml file in the .github directory

Why

• to increase code quality in develop and master branches

Testing

• executing pipelines

[olivermrbl]

Is this still relevant @pKorsholm? I guess we could still add the linting to the pipeline 👍

[pKorsholm]

let me just test this out to see if it blocks the pr as intended