Bump sentry-sdk from 2.20.0 to 2.21.0

Bumps [sentry-sdk](https://github.com/getsentry/sentry-python) from 2.20.0 to 2.21.0.
- [Release notes](https://github.com/getsentry/sentry-python/releases)
- [Changelog](https://github.com/getsentry/sentry-python/blob/master/CHANGELOG.md)
- [Commits](getsentry/sentry-python@2.20.0...2.21.0)

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

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

requirements.txt

@@ -68,7 +68,7 @@ django-templatetag-sugar==1.0
 django-paging==0.2.5
 django-appconf==1.0.5
 django-statsd-mozilla==0.4.0
-sentry-sdk==2.20.0
+sentry-sdk==2.21.0
 django-bootstrap-form==3.4
 django-debug-toolbar==4.4.6