Bump zdaemon from 5.1 to 5.2 in /dependabot in the all group

Bumps the all group in /dependabot with 1 update: [zdaemon](https://github.com/zopefoundation/zdaemon).


Updates `zdaemon` from 5.1 to 5.2
- [Changelog](https://github.com/zopefoundation/zdaemon/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zdaemon@5.1...5.2)

---
updated-dependencies:
- dependency-name: zdaemon
  dependency-version: '5.2'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

Author: dependabot[bot]

dependabot/requirements.txt

@@ -55,4 +55,4 @@ WebOb==1.8.9
 WebTest==3.0.4
 WSGIProxy2==0.5.1
 zc.recipe.egg==3.0.0
-zdaemon==5.1
+zdaemon==5.2