CI: Use correct URL for upper constraints

This URL should not be affected by branch names etc.

Author: markgoddard

.github/workflows/overcloud-host-image-build.yml

@@ -139,7 +139,7 @@ jobs:
       - name: Install OpenStack client
         run: |
           source venvs/kayobe/bin/activate &&
-          pip install python-openstackclient -c https://opendev.org/openstack/requirements/raw/branch/stable/${{ steps.openstack_release.outputs.openstack_release }}/upper-constraints.txt
+          pip install python-openstackclient -c https://releases.openstack.org/constraints/upper/${{ steps.openstack_release.outputs.openstack_release }}
 
       - name: Build a CentOS Stream 8 overcloud host image
         id: build_centos_stream_8

.github/workflows/overcloud-host-image-upload.yml

@@ -92,7 +92,7 @@ jobs:
       - name: Install OpenStack client
         run: |
           source venvs/kayobe/bin/activate &&
-          pip install python-openstackclient -c https://opendev.org/openstack/requirements/raw/branch/stable/yoga/upper-constraints.txt
+          pip install python-openstackclient -c https://releases.openstack.org/constraints/upper/${{ steps.openstack_release.outputs.openstack_release }}
 
       - name: Output CentOS Stream 8 image tag
         id: centos_8_stream_image_tag

.github/workflows/stackhpc-ci-cleanup.yml

@@ -34,7 +34,7 @@ jobs:
 
       - name: Install OpenStack client
         run: |
-          pip install python-openstackclient -c https://opendev.org/openstack/requirements/raw/branch/stable/${{ steps.openstack_release.outputs.openstack_release }}/upper-constraints.txt
+          pip install python-openstackclient -c https://releases.openstack.org/constraints/upper/${{ steps.openstack_release.outputs.openstack_release }}
 
       - name: Clean up aio instances over 3 hours old
         run: |

etc/kayobe/environments/ci-builder/inventory/hosts

@@ -1,3 +1,3 @@
 # A 'seed' host used for building images.
 [seed]
-builder
+localhost ansible_connection=local ansible_python_interpreter=/usr/bin/python3