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:** 310 → 310 maintainers

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

Author: home-manager-ci[bot]

all-maintainers.nix

@@ -2100,8 +2100,10 @@
     source = "home-manager";
   };
   rachitvrma = {
+    email = "155641117+rachitvrma@users.noreply.github.com";
     github = "rachitvrma";
     githubId = 155641117;
+    matrix = "@rachitvrma:matrix.org";
     name = "Rachit Kumar Verma";
     source = "home-manager";
   };