[Security] Bump django from 3.0.5 to 3.0.7 in /template

[dependabot-preview]

Bumps django from 3.0.5 to 3.0.7.

Commits

• 44da7ab [3.0.x] Bumped version for 3.0.7 release.
• 84b2da5 [3.0.x] Fixed CVE-2020-13254 -- Enforced cache key validation in memcached ba...
• 1f2dd37 [3.0.x] Fixed CVE-2020-13596 -- Fixed potential XSS in admin ForeignKeyRawIdW...
• 256d297 [3.0.x] Added release date for 2.2.13 and 3.0.7.
• 8734a02 [3.0.x] Updated link to Celery.
• d22f678 [3.0.x] Refs #31485 -- Backported jQuery upgrade to 3.5.1.
• b9db041 [3.0.x] Adjusted URL example in tutorial.
• caf7c46 [3.0.x] Fixed #31643 -- Changed virtualenv doc references to Python 3 venv.
• 9297a3e [3.0.x] Fixed typo in docs/ref/templates/language.txt.
• 2638627 [3.0.x] Fixed #31570 -- Corrected translation loading for apps providing terr...
• Additional commits viewable in compare view

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[dependabot-preview]

We've just been alerted that this update fixes a security vulnerability:

Sourced from The GitHub Security Advisory Database.

Data leakage via cache key collision in Django
An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. In cases where a memcached backend does not perform key validation, passing malformed cache keys could result in a key collision, and potential data leakage.

Affected versions: [">= 3.0.0, < 3.0.7"]

[dependabot-preview]

Superseded by #697.