Dockerfile for app: re-declare ARG OPEN_DEVIN_BUILD_VERSION (#3257)

containers/app/Dockerfile

@@ -32,6 +32,8 @@ FROM python:3.12.3-slim AS runtime
 
 WORKDIR /app
 
+ARG OPEN_DEVIN_BUILD_VERSION #re-declare for this section
+
 ENV RUN_AS_DEVIN=true
 # A random number--we need this to be different from the user's UID on the host machine
 ENV OPENDEVIN_USER_ID=42420