🌱 Update openstack-ironic digest to 4c5f701

Author: renovate[bot]

Dockerfile

@@ -55,7 +55,7 @@ RUN IRONIC_PKG_LIST=/tmp/ironic-deps-list /bin/build-wheels.sh
 FROM $BASE_IMAGE AS ironic-wheel-builder
 
 ARG UPPER_CONSTRAINTS_FILE=upper-constraints.txt
-ARG IRONIC_SOURCE=5467d0d8d4e8b0d33fc1ea34e4498fd7980c5236 # master
+ARG IRONIC_SOURCE=4c5f70147195ac36083b2966dce79cedd4b0c877 # master
 ARG SUSHY_SOURCE
 ARG PIP_VERSION
 ARG SETUPTOOLS_VERSION