add magnum-capi-helm driver to base footer

Author: scrungus

etc/kayobe/kolla.yml

@@ -373,6 +373,10 @@ kolla_build_blocks:
     {% endif %}
   magnum_base_footer: |
     RUN curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | head -n -1 | bash
+    {% raw %}
+    {% set magnum_capi_packages = ['git+https://github.com/stackhpc/magnum-capi-helm.git@v0.1.0'] %}
+    RUN {{ macros.install_pip(magnum_capi_packages | customizable("pip_packages")) }}
+    {% endraw %}
 # Dict mapping image customization variable names to their values.
 # Each variable takes the form:
 # <image name>_<customization>_<operation>