🎨 Add has-changelog-and-upgrade-guide flag

[denialhaag]

Description

This PR adds a has-changelog-and-upgrade-guide flag so that the templates are more generic.

Checklist:

• The pull request only contains commits that are focused and relevant to this change.
• I have added appropriate tests that cover the new/changed functionality.
• I have updated the documentation to reflect these changes.
• I have added entries to the changelog for any noteworthy additions, changes, fixes, or removals.
• I have added migration instructions to the upgrade guide (if needed).
• The changes follow the project's style guidelines and introduce no new warnings.
• The changes are fully tested and pass the CI checks.
• I have reviewed my own code changes.

[denialhaag]

This is being tested in the following PRs:

• ⬆️👨‍💻 Update munich-quantum-toolkit/templates action to v1.1.3 debugger#119
• 👷📝 Set up templating problemsolver#180
• ⬆️👨‍💻 Update munich-quantum-toolkit/templates action to v1.1.3 ddvis#347

[burgholzer]

This looks good to me 👍🏻