Update SECURITY.md (#224)

# [Pull request title here]

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SECURITY.md

@@ -7,7 +7,7 @@ currently being supported with security updates.
 
 | Version | Supported          |
 | ------- | ------------------ |
-| 1.0.x   | :white_check_mark: |
+| 1.x.y   | :white_check_mark: |
 | < 1.0   | :x:                |
 
 ## Reporting a Vulnerability