[DOP-29496] Change config.yaml -> config.yml file name

Author: dolfinus

docker/entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-SYNCMASTER_CONFIG_FILE=${SYNCMASTER_CONFIG_FILE:-/app/config.yaml}
+SYNCMASTER_CONFIG_FILE=${SYNCMASTER_CONFIG_FILE:-/app/config.yml}
 SYNCMASTER__UI__API_BROWSER_URL_DEFAULT="http://localhost:8000"
 SYNCMASTER__UI__AUTH_PROVIDER_DEFAULT="dummyAuthProvider"