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>

Dockerfile.cloudron

@@ -27,7 +27,7 @@ RUN mkdir -p /app/code /app/pkg /app/data
 WORKDIR /app/code
 
 # Download and build mautrix-whatsapp
-RUN git clone --branch v0.12.4 https://github.com/mautrix/whatsapp.git . \
+RUN git clone --branch v0.2510.0 https://github.com/mautrix/whatsapp.git . \
     && go build -o /app/pkg/mautrix-whatsapp ./cmd/mautrix-whatsapp
 
 # Copy startup script