adapt deploy-tenants.yml to python3 paths (#41075)

deploy-tenants.yml

@@ -5,4 +5,4 @@
     - facts
     - deploy-tenants
   vars:
-    venv_bin: "{{venv}}/bin"
+    venv_py3_bin: "{{venv_py3}}/bin"

roles/deploy-tenants/tasks/main.yml

@@ -31,7 +31,7 @@
     dest: "{{wcs_dev_template_path}}"
 
 - name: Run command hobo-manage to initiate the development subdomains and a super-user
-  command: "{{venv_bin}}/hobo-manage cook {{wcs_dev_template_path}} --timeout=600"
+  command: "{{venv_py3_bin}}/hobo-manage cook {{wcs_dev_template_path}} --timeout=600"
 
 - debug :
     msg: |