Update supported versions in SECURITY.md

Signed-off-by: Lucas Holt <luke@foolishgames.com>

Author: laffer1

SECURITY.md

@@ -4,9 +4,9 @@
 
 | Version | Supported          |
 | ------- | ------------------ |
+| 4.1     | :white_check_mark: |
 | 4.0     | :white_check_mark: |
-| 3.2     | :white_check_mark: |
-| < 3.2   | :x:                |
+| < 4.0   | :x:                |
 
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