Bump itsdangerous from 2.1.2 to 2.2.0 (#469)

Bumps [itsdangerous](https://github.com/pallets/itsdangerous) from 2.1.2 to 2.2.0.
- [Release notes](https://github.com/pallets/itsdangerous/releases)
- [Changelog](https://github.com/pallets/itsdangerous/blob/main/CHANGES.rst)
- [Commits](pallets/itsdangerous@2.1.2...2.2.0)

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

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

requirements.txt

@@ -73,7 +73,7 @@ stripe==2.76.0
 raven[flask]
 
 # Other
-itsdangerous==2.1.2
+itsdangerous==2.2.0
 cssmin==0.2.0
 jsmin==3.0.1
 hashids==1.3.1