Replace "Sign-in …" with "Sign in …" in ring (#144222)

The config flow titles in Home Assistant use verbs by default ("Set up …" / "Configure …" / "Select …" etc.

Therefore "Sign-in …" (noun) for the initial setup in `ring` is replaced with "Sign in …" (verb).

Author: NoRi2909

homeassistant/components/ring/strings.json

@@ -2,7 +2,7 @@
   "config": {
     "step": {
       "user": {
-        "title": "Sign-in with Ring account",
+        "title": "Sign in with Ring account",
         "data": {
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]"