Update 4.14 iso (#60)

Author: loganmc10

provisioning/roles/provisioning_mce/defaults/main.yaml

@@ -8,8 +8,8 @@ os_images:
     url: "https://mirror.openshift.com/pub/openshift-v4/dependencies/rhcos/4.13/4.13.10/rhcos-4.13.10-x86_64-live.x86_64.iso"
     cpuArchitecture: "x86_64"
   - openshiftVersion: "4.14"
-    version: "4.14.0"
-    url: "https://mirror.openshift.com/pub/openshift-v4/dependencies/rhcos/4.14/4.14.0/rhcos-4.14.0-x86_64-live.x86_64.iso"
+    version: "4.14.15"
+    url: "https://mirror.openshift.com/pub/openshift-v4/dependencies/rhcos/4.14/4.14.15/rhcos-4.14.15-x86_64-live.x86_64.iso"
     cpuArchitecture: "x86_64"
   - openshiftVersion: "4.15"
     version: "4.15.0"