fix: matrix issue when using shared registry

Author: jackhodgkiss

roles/github/templates/build-kayobe-docker-image.yml.j2

@@ -1,4 +1,4 @@
-<%- if github_environment_selector == 'input' -%>
+<%- if github_environment_selector == 'input' and (github_registry.share | default(github_default_registry.share)) is false -%>
 <%- set github_runs_on = github_runs_on + ['${{ matrix.environment }}'] -%>
 <%- set _ = github_default_registry.update({"url": "${{ vars[format('{0}_REGISTRY_URL', matrix.environment)] }}" }) -%>
 <%- set _ = github_default_registry.update({"username": "${{ vars[format('{0}_REGISTRY_USERNAME', matrix.environment)] }}" }) -%>

tests/inventory/host_vars/reference.yml

@@ -17,6 +17,7 @@ github_registry:
   url: pulp.infra.os.example.cloud
   username: admin
   password: ${{ secrets.REGISTRY_PASSWORD }}
+  share: true
 
 github_kayobe_arguments:
   KAYOBE_VAULT_PASSWORD: !unsafe "${{ secrets.KAYOBE_VAULT_PASSWORD }}"