chore: Update SECURITY.md

SECURITY.md

@@ -3,8 +3,10 @@
 ## Supported Versions
 
 | Version | Supported          |
-| ------- | ------------------ |
-| 1.x.x   | :white_check_mark: |
+|---------|--------------------|
+| 3.x.x   | :white_check_mark: |
+| 2.x.x   | :white_check_mark: |
+| 1.x.x   | :x:                |
 | < 1.0   | :x:                |
 
 ## Reporting a Vulnerability