Resourceadm: run playwright tests on PR and push to main

[mgunnerud]

Description

Run Playwright tests for resource admin on PR and push to main, on changes in frontend/resourceadm folder

Related Issue(s)

• this PR

Verification

• [ ] Your code builds clean without any errors or warnings
• [ ] Manual testing done (required)
• [ ] Relevant automated test added (if you find this hard, leave it and we'll help out)

Documentation

• [ ] User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)