[UPDATE] Bump sentry-sdk from 1.19.1 to 1.21.0

Bumps [sentry-sdk](https://github.com/getsentry/sentry-python) from 1.19.1 to 1.21.0.
- [Release notes](https://github.com/getsentry/sentry-python/releases)
- [Changelog](https://github.com/getsentry/sentry-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-python/compare/1.19.1...1.21.0)

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

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

pyproject.toml

@@ -40,7 +40,7 @@ django-ordered-model = "^3.6"
 django-simple-captcha = "^0.5.17"
 python-dateutil = "^2.8.2"
 psycopg2-binary = "2.9.3"
-sentry-sdk = "^1.19.1"
+sentry-sdk = "^1.21.0"
 pygraphviz = "^1.9"
 Jinja2 = "^3.1"
 django-countries = "^7.5.1"