update version matrix

Signed-off-by: Srendi <info@denizdemiroglu.de>

Author: SirEndii

SECURITY.md

@@ -5,14 +5,14 @@
 These are the currently supported versions.
 We will always support every version for security patches.
 
-|   Supported Version   | 1.16 | 1.17 | 1.18 | 1.19.2 | 1.19.3 | 1.19.4 | 1.20.1 |
-|-----------------------|------|------|------|--------|--------|--------|--------|
-| Security patches      | :white_check_mark:  | :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:  |   :white_check_mark:  |  :white_check_mark:   |
-| Critical fixes        | :x:  | :x:  |  :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:  |   :x:  |  :white_check_mark:   |
-| Minor fixes           | :x:  | :x:  |  :white_check_mark:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |
-| Minor features        | :x:  | :x:  | :x:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |
-| Fully supported       | :x:  | :x:  | :x:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |
-| Will be supported     | :x:  | :x:  | :o:  |  :o:  |  :o:  |   :x:  |  :o:  |
+|   Supported Version   | 1.16 | 1.17 | 1.18 | 1.19.2 | 1.19.3 | 1.19.4 | 1.20.1 | 1.21.1 |
+|-----------------------|------|------|------|--------|--------|--------|--------|--------|
+| Security patches      | :white_check_mark:  | :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:  |   :white_check_mark:  |  :white_check_mark:  |  :white_check_mark:   |
+| Critical fixes        | :x:  | :x:  |  :white_check_mark:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |  :white_check_mark:   |
+| Minor fixes           | :x:  | :x:  |  :x:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |  :white_check_mark:   |
+| Minor features        | :x:  | :x:  | :x:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |  :white_check_mark:   |
+| Fully supported       | :x:  | :x:  | :x:  |  :white_check_mark:  |  :x:  |   :x:  |  :white_check_mark:   |  :white_check_mark:   |
+| Will be supported     | :x:  | :x:  | :o:  |  :o:  |  :o:  |   :x:  |  :o:  |  :o:  |
 
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