Update compatibility matrix

Author: KtorZ

README.md

@@ -16,12 +16,12 @@ aiken add aiken-lang/stdlib --version v2
 
 ## Compatibility
 
-aiken's version                                              | stdlib's version(s)
----                                                          | ---
-`v1.1.3`<br/>`v1.1.4`<br/>`v1.1.5`<br/>`v1.1.6`<br/>`v1.1.7` | `>= 2.1.0`
-`v1.1.1`<br/>`v1.1.2`                                        | `>= 2.0.0` && `< 2.1.0`
-`v1.0.29-alpha`<br/>`v1.0.28-alpha`                          | `>= 1.9.0` && `< 2.0.0`
-`v1.0.26-alpha`                                              | `<= 1.8.0` && `< 1.9.0`
+aiken's version                                                             | stdlib's version(s)
+---                                                                         | ---
+`v1.1.3`<br/>`v1.1.4`<br/>`v1.1.5`<br/>`v1.1.6`<br/>`v1.1.7` <br/> `v1.1.9` | `>= 2.1.0`
+`v1.1.1`<br/>`v1.1.2`                                                       | `>= 2.0.0` && `< 2.1.0`
+`v1.0.29-alpha`<br/>`v1.0.28-alpha`                                         | `>= 1.9.0` && `< 2.0.0`
+`v1.0.26-alpha`                                                             | `<= 1.8.0` && `< 1.9.0`
 
 ## Overview