fix: Update license-header.txt with breaking changes from hawkeye

[sjrl]

Related Issues

• Causes github CI to fail for this PR fix: Fix JSONConverter to properly skip files that are not utf-8 encoded #8775

Proposed Changes:

Newest version of hawkeye was released earlier today. it contains breaking changes for how templates work. Check out release notes here.

How did you test it?

Trying to test in the PR #8775 since it will trigger the license header check. The changes in this PR don't seem to trigger it.

Update: The change does fix the failing Tests / format in the PR #8775

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added unit tests and updated the docstrings
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I documented my code
• I ran pre-commit hooks and fixed any issue

[julian-risch]

LGTM! 👍
Replacing ${property} with {{ props["property"] }} as described in the hawkeye release notes.