Bump django-lti from 0.8.1 to 0.9.0

Bumps [django-lti](https://github.com/academic-innovation/django-lti) from 0.8.1 to 0.9.0.
- [Release notes](https://github.com/academic-innovation/django-lti/releases)
- [Commits](academic-innovation/django-lti@v0.8.1...v0.9.0)

---
updated-dependencies:
- dependency-name: django-lti
  dependency-version: 0.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -91,7 +91,7 @@ django-lti-provider==1.0.0
 pyjwt==2.10.1  # pylti1p3
 jwcrypto==1.5.6  # pylti1p3
 PyLTI1p3==2.0.0  # django-lti
-django-lti==0.8.1
+django-lti==0.9.0
 django-lti-dynamic-registration==0.1.2
 django-lti-authentication==0.2.0