Fix version

Fix version

Author: Cobra-Bitcoin

_releases/v0.21.1.md

@@ -5,7 +5,7 @@
 # Metadata and small formatting changes from Bitcoin.org project
 
 ## Required value below populates the %v variable (note: % needs to be escaped in YAML if it starts a value)
-required_version: 0.21.0
+required_version: 0.21.1
 title: Bitcoin Core 0.21.1 released
 id: en-release-0.21.1
 name: release-0.21.1