ci(workflows): disable as non-functioning

* Will come back to these at a later date

Author: dafyddj

.github/workflows/kitchen.macos.yml

@@ -2,7 +2,7 @@
 # vim: ft=yaml
 ---
 name: 'Kitchen (macOS)'
-'on': ['push', 'pull_request']
+'on': ['workflow_dispatch']
 
 env:
   KITCHEN_LOCAL_YAML: 'kitchen.macos.yml'

.github/workflows/kitchen.vagrant.yml

@@ -2,7 +2,7 @@
 # vim: ft=yaml
 ---
 name: 'Kitchen Vagrant (FreeBSD, OpenBSD & Windows)'
-'on': ['push', 'pull_request']
+'on': ['workflow_dispatch']
 
 env:
   KITCHEN_LOCAL_YAML: 'kitchen.vagrant.yml'

.github/workflows/kitchen.windows.yml

@@ -2,7 +2,7 @@
 # vim: ft=yaml
 ---
 name: 'Kitchen (Windows)'
-'on': ['push', 'pull_request']
+'on': ['workflow_dispatch']
 
 env:
   machine_user: kitchen