Bump scout-apm from 3.0.2 to 3.2.1

Bumps [scout-apm](https://github.com/scoutapp/scout_apm_python) from 3.0.2 to 3.2.1.
- [Release notes](https://github.com/scoutapp/scout_apm_python/releases)
- [Changelog](https://github.com/scoutapp/scout_apm_python/blob/master/CHANGELOG.md)
- [Commits](scoutapp/scout_apm_python@v3.0.2...v3.2.1)

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

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

requirements.txt

@@ -208,7 +208,7 @@ s3transfer==0.10.0
     # via boto3
 scipy==1.10.0
     # via wagtail-ab-testing
-scout-apm==3.0.2
+scout-apm==3.2.1
     # via -r requirements.in
 sentry-sdk==2.8.0
     # via -r requirements.in