MGASA-2026-0339 Updated python-django packages fix security vulnerabilities

CVE-2026-15307: Server-side file-write and request forgery via spatial lookups CVE-2026-15337: Potential denial-of-service vulnerability in checkforlanguage CVE-2026-15830: Potential denial-of-service vulnerability via nested geometry collections CVE-2026-15920: Potential cross-site scripting via...