Bump django from 3.2.18 to 3.2.20 in /scripts/deployment/pip/requirements

[dependabot[bot]]

Bumps django from 3.2.18 to 3.2.20.

Commits

• 19bc11f [3.2.x] Bumped version for 3.2.20 release.
• 454f2fb [3.2.x] Fixed CVE-2023-36053 -- Prevented potential ReDoS in EmailValidator a...
• 07cc014 [3.2.x] Added stub release notes for 3.2.20.
• e1bbbbe [3.2.x] Fixed MultipleFileFieldTest.test_file_multiple_validation() test if P...
• 47ef12e [3.2.x] Added CVE-2023-31047 to security archive.
• 15f90eb [3.2.x] Post-release version bump.
• fc42edd [3.2.x] Bumped version for 3.2.19 release.
• eed53d0 [3.2.x] Fixed CVE-2023-31047, Fixed #31710 -- Prevented potential bypass of v...
• 007e46d [3.2.x] Added missing backticks in docs/releases/1.7.txt.
• a37e4d5 [3.2.x] Added stub release notes for 3.2.19.
• Additional commits viewable in compare view

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