update compatibility matrix

Author: MrMegaNova

README.md

@@ -57,10 +57,10 @@ An example how to include this role as a task:
 | Distribution / PostgreSQL |     11     |         12         |         13         |         14         |         15         |       16        |
 | ------------------------- | :--------: | :----------------: | :----------------: | :----------------: | :----------------: | :-------------: |
 | Debian 11.x               | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Debian 12.x               | :no_entry: |   :interrobang:    |   :interrobang:    |   :interrobang:    |   :interrobang:    |  :white_check_mark:  |
+| Debian 12.x               | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | Rockylinux 8.x            | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | Rockylinux 9.x            | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Ubuntu 20.04.x            | :no_entry: | :white_check_mark: | :white_check_mark: |  :grey_question:   |  :grey_question:   | :grey_question: |
+| Ubuntu 20.04.x            | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | Ubuntu 22.04.x            | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |