🐛Dockerfile service-integration has missing ampersands (#5479)

Author: sanderegg

packages/service-integration/Dockerfile

@@ -50,7 +50,7 @@ FROM base as build
 
 RUN --mount=type=cache,target=/var/cache/apt,mode=0755,sharing=private \
   --mount=type=cache,target=/var/lib/apt,mode=0755,sharing=private \
-  set -eux \
+  set -eux && \
   apt-get update \
   && apt-get install -y --no-install-recommends \
   build-essential