docs: Add Selenium 4.12.0 to compatibility matrix (#1999)

Author: valfirst

README.md

@@ -90,7 +90,7 @@ dependencies {
 ### Compatibility Matrix
 | Appium Java Client | Selenium client                             |
 |--------------------|---------------------------------------------|
-| `8.5.0`, `8.5.1`   | `4.9.1`, `4.10.0`, `4.11.0`                 |
+| `8.5.0`, `8.5.1`   | `4.9.1`, `4.10.0`, `4.11.0`, `4.12.0`       |
 | `8.4.0`            | `4.8.2`, `4.8.3`, `4.9.0`                   |
 | `8.3.0`            | `4.7.0`, `4.7.1`, `4.7.2`, `4.8.0`, `4.8.1` |
 | `8.2.1`            | `4.5.0`, `4.5.1`, `4.5.2`, `4.5.3`, `4.6.0` |