Rename gitstream.yml to gitstream.cm

Author: BenLloydPearson

.cm/gitstream.yml renamed to .cm/gitstream.cm

@@ -9,4 +9,4 @@ automations:
           color: {{ 'E94637' if (calc.etr >= 20) else ('FBBD10' if (calc.etr >= 5) else '36A853') }}
 
 calc:
-  etr: {{ branch | estimatedReviewTime }}
+  etr: {{ branch | estimatedReviewTime }}