Update openstack (stable/2023.1)

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Renovate-Branch: renovate/stable/2023.1-openstack
Change-Id: I5ba3685cab0909263f35b22af3042290e10bd902
diff --git a/images/heat/Dockerfile b/images/heat/Dockerfile
index 2828927..bc09329 100644
--- a/images/heat/Dockerfile
+++ b/images/heat/Dockerfile
@@ -4,7 +4,7 @@
 
 FROM openstack-venv-builder AS build
 # renovate: name=openstack/heat repo=https://opendev.org/openstack/heat.git branch=unmaintained/2023.1
-ARG HEAT_GIT_REF=362bd38d902e006b50caf86f46581dfd16f7adab
+ARG HEAT_GIT_REF=cab4293ee3b4aa99b4dc9d3fab2a34dc4957d9eb
 ADD --keep-git-dir=true https://opendev.org/openstack/heat.git#${HEAT_GIT_REF} /src/heat
 RUN git -C /src/heat fetch --unshallow
 RUN --mount=type=cache,mode=0755,target=/root/.cache/pip,sharing=private <<EOF bash -xe