build: Use correct version of vodozemac for web build

scripts/prepare-web.sh

@@ -1,6 +1,8 @@
 #!/bin/sh -ve
 
-git clone https://github.com/famedly/dart-vodozemac.git .vodozemac
+version=$(yq ".dependencies.flutter_vodozemac" < pubspec.yaml)
+version=$(expr "$version" : '\^*\(.*\)')
+git clone https://github.com/famedly/dart-vodozemac.git -b ${version} .vodozemac
 cd .vodozemac
 cargo install flutter_rust_bridge_codegen
 flutter_rust_bridge_codegen build-web --dart-root dart --rust-root $(readlink -f rust) --release