Update collectors.md for ELK version (#465)

* Update collectors.md for ELK version

Makes ELK 9.0 column compatible with subsequent versions.

* Update docs/reference/compatibility/collectors.md

Co-authored-by: Visha Angelova <[email protected]>

---------

Co-authored-by: Visha Angelova <[email protected]>

Author: theletterf

docs/reference/compatibility/collectors.md

@@ -17,7 +17,7 @@ The following table provides an overview of compatibility and support of {{edot}
 
 #### EDOT Collector 9.x
 
-| ELK stack version           | **ELK < 8.16** | **ELK 8.16 - 8.17** | **ELK 8.18 - 8.19** | **ELK 9.0** |
+| ELK stack version           | **ELK < 8.16** | **ELK 8.16 - 8.17** | **ELK 8.18 - 8.19** | **ELK 9.0 and later** |
 | :-------------------------- | :------------- | :------------------ | :------------------ | :---------- |
 | **Compatibility**           | [Incompatible] | [Compatible]        | [Compatible]        | [Compatible]|
 | **Level of support**        | [Not supported] | [Not supported]    | [Supported]         | [Supported] |