feat: update mautrix-whatsapp to v0.12.3

CloudronManifest.json

@@ -1,6 +1,6 @@
 {
-  "version": "1.1.0",
-  "upstreamVersion": "0.10.8",
+  "version": "1.2.1",
+  "upstreamVersion": "0.12.3",
   "id": "dev.maunium.whatsapp.cloudronapp",
   "title": "Matrix WhatsApp Bridge",
   "author": "Tulir Asokan <tulir@maunium.net>",

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 https://github.com/mautrix/whatsapp.git . \
+RUN git clone --branch v0.12.3 https://github.com/mautrix/whatsapp.git . \
     && go build -o /app/pkg/mautrix-whatsapp ./cmd/mautrix-whatsapp
 
 # Copy startup script