feat: update mautrix-whatsapp to v0.2510.0

- Update upstream version from v0.12.4 to v0.2510.0 (latest release)
- Bump package version to 2.0.0
- Fix regex pattern in registration from .* to .+ for better matching

Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

CloudronManifest.json

@@ -1,6 +1,6 @@
 {
-  "version": "1.2.2",
-  "upstreamVersion": "0.12.4",
+  "version": "2.0.0",
+  "upstreamVersion": "0.2510.0",
   "id": "dev.maunium.whatsapp.cloudronapp",
   "title": "Matrix WhatsApp Bridge",
   "author": "Tulir Asokan <tulir@maunium.net>",