maintainers: update all-maintainers.nix

Automated update of the master maintainers list combining:
- Home Manager specific maintainers from modules/lib/maintainers.nix
- Nixpkgs maintainers referenced in Home Manager modules

**Added:** 0 maintainers
**Removed:** 0 maintainers
**Total:** 282 → 282 maintainers

Generated by: lib/python/generate-all-maintainers.py

all-maintainers.nix

@@ -2078,7 +2078,7 @@
     source = "nixpkgs";
   };
   shikanime = {
-    email = "deva.shikanime@protonmail.com";
+    email = "william.phetsinorath@shikanime.studio";
     github = "shikanime";
     githubId = 22115108;
     name = "William Phetsinorath";