docs: Add Selenium 4.12.1 to compatibility matrix (#2002)

Author: valfirst

README.md

@@ -88,12 +88,12 @@ dependencies {
 ```
 
 ### Compatibility Matrix
-| Appium Java Client | Selenium client                             |
-|--------------------|---------------------------------------------|
-| `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` |
+ Appium Java Client | Selenium client
+--------------------|-----------------
+ `8.5.0`, `8.5.1`   | `4.9.1`, `4.10.0`, `4.11.0`, `4.12.0`, `4.12.1`
+ `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`
 
 #### Why is it so complicated?