Bump django-sendgrid-v5 from 1.1.0 to 1.2.2 (#520)

Bumps [django-sendgrid-v5](https://github.com/sklarsa/django-sendgrid-v5) from 1.1.0 to 1.2.2.
- [Release notes](https://github.com/sklarsa/django-sendgrid-v5/releases)
- [Commits](sklarsa/django-sendgrid-v5@v1.1.0...v1.2.2)

---
updated-dependencies:
- dependency-name: django-sendgrid-v5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -20,7 +20,7 @@ django-recaptcha==3.0.0
 
 # external services
 
-django-sendgrid-v5==1.1.0
+django-sendgrid-v5==1.2.2
 psycopg2-binary==2.9.5
 # Having problems deploying to Heroku with 1.6.3
 pylibmc==1.6.2