v3.12.13
Update references to master to point to main in customsourcelink.html (GH-25993)
[3.12] gh-139436: Remove link to the PDF downloads (GH-139142) (GH-139428)
[3.12] GH-121970: Extract ``implementation_detail`` into a new extension (GH-129663) (#129740)
[3.12] gh-130521: Add Open Graph meta tags to template pages (GH-130523) (#132238)
bpo-47126: Update to canonical PEP URLs specified by PEP 676 (GH-32124)
[3.12] Docs: remove link elements in builders other than HTML (GH-133720) (#134007)
Use https:// URLs in the HTML templates.