docs(angular): add v15 to compatibility table (#1350)

Author: timdeschryver

docs/angular-testing-library/version-compatibility.mdx

@@ -8,7 +8,8 @@ Library and Angular.
 
 | Angular | Angular Testing Library |
 | ------- | ----------------------- |
-| 16.x    | 13.x \|\| 14.x          |
-| >= 15.1 | 13.x \|\| 14.x          |
-| < 15.1  | 11.x \|\| 12.x          |
-| 14.x    | 11.x \|\| 12.x          |
+| 17.x    | 15.x, 14.x, 13.x        |
+| 16.x    | 14.x, 13.x              |
+| >= 15.1 | 14.x, 13.x              |
+| < 15.1  | 12.x, 11.x              |
+| 14.x    | 12.x, 11.x              |