Bump zope-interface from 6.2 to 7.2

Bumps [zope-interface](https://github.com/zopefoundation/zope.interface) from 6.2 to 7.2.
- [Changelog](https://github.com/zopefoundation/zope.interface/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zope.interface@6.2...7.2)

---
updated-dependencies:
- dependency-name: zope-interface
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements/tox-pin-base.txt

@@ -11,5 +11,5 @@ six==1.17.0
 Tubes==0.2.1
 Werkzeug==3.1.3; python_version > '3.7'
 Werkzeug==2.1.2; python_version <= '3.7'
-zope.interface==6.2; python_version < '3.13'
+zope.interface==7.2; python_version < '3.13'
 zope.interface==7.2; python_version >= '3.13'