Bump zope-structuredtext from 5.1 to 6.0

Bumps [zope-structuredtext](https://github.com/zopefoundation/zope.structuredtext) from 5.1 to 6.0.
- [Changelog](https://github.com/zopefoundation/zope.structuredtext/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zope.structuredtext@5.1...6.0)

---
updated-dependencies:
- dependency-name: zope-structuredtext
  dependency-version: '6.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

pyproject.toml

@@ -67,7 +67,7 @@ dependencies = [
     "sql-metadata==2.17.0",
     "tomli==2.2.1",
     "xmltodict==1.0.2",
-    "zope-structuredtext==5.1",
+    "zope-structuredtext==6.0",
     "zopfli==0.2.3",
     "ffmpeg-python==0.2.0",
     "psycopg[binary,pool]>=3.2.9",