Bump MCAPI to 0.24.1 (#2292)

diff --git a/images/magnum/Dockerfile b/images/magnum/Dockerfile
index 1c4810d..5325904 100644
--- a/images/magnum/Dockerfile
+++ b/images/magnum/Dockerfile
@@ -22,7 +22,7 @@
 pip3 install \
     --constraint /upper-constraints.txt \
         /src/magnum \
-        magnum-cluster-api==0.24.0
+        magnum-cluster-api==0.24.1
 EOF
 
 FROM harbor.atmosphere.dev/library/openstack-python-runtime:${RELEASE}