Add 1.32.x as maintained

Signed-off-by: Tom Wieczorek <[email protected]>

Author: twz123

SECURITY.md

@@ -6,6 +6,7 @@ Following versions are supported and maintained:
 
 | Version   | Supported |
 |-----------|-----------|
+| v1.32.x   | ✅        |
 | v1.31.x   | ✅        |
 | v1.30.x   | ✅        |
 | v1.29.x   | ✅        |