chore(deps): bump cookiecutter in /Docker/builder/rootfs

Bumps [cookiecutter](https://github.com/cookiecutter/cookiecutter) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/cookiecutter/cookiecutter/releases)
- [Changelog](https://github.com/cookiecutter/cookiecutter/blob/main/HISTORY.md)
- [Commits](cookiecutter/cookiecutter@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: cookiecutter
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Docker/builder/rootfs/requirements.txt

@@ -1,4 +1,4 @@
-cookiecutter==2.5.0
+cookiecutter==2.6.0
 actions-toolkit==0.1.15
 pygithub==2.2.0
 pyyaml