[61293] Sub-headlines are larger than the actual PageHeader

[HDinger]

What are you trying to accomplish?

• Increase font-weight for PageHeaders to have more visibility in the page structure
• Create Primer::OpenProject::Heading for our specific content headers which should be less prominent and have a lower font-weight

List the issues that this change affects.

Closes https://community.openproject.org/projects/design-system/work_packages/61293/github

Risk Assessment

• Low risk the change is small, highly observable, and easily rolled back.
• Medium risk changes that are isolated, reduced in scope or could impact few users. The change will not impact library availability.
• High risk changes are those that could impact customers and SLOs, low or no test coverage, low observability, or slow to rollback.

[changeset-bot]

🦋 Changeset detected

Latest commit: 5aabb9f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@openproject/primer-view-components	Minor

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[github-actions]

⚠️ Visual or ARIA snapshot differences found

Our visual and ARIA snapshot tests found UI differences. Please review the differences by viewing the files changed tab to ensure that the changes were intentional.

Review differences

[HDinger]

⚠️ The snapshots revealed something I overlooked before. I will double check. So do not merge until then

[myabc]

LGTM 👍🏻

[myabc]

actually, it looks like there are a couple style lint failures.