chore(docs): refer to dedicate channel for the runners (#1614)

Author: npalm

README.md

@@ -509,6 +509,6 @@ This module is part of the Philips Forest.
 
 ```
 
-Talk to the forestkeepers in the `forest`-channel on Slack.
+Talk to the forestkeepers in the `runners`-channel on Slack.
 
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