docs(allowedUnsafeExecutions): correctly reference postUpdateOption (renovatebot#39946)

Author: jamietanna

docs/usage/self-hosted-configuration.md

@@ -130,7 +130,7 @@ Allowed options:
 
 | Option          | Description                                                                   |
 | --------------- | ----------------------------------------------------------------------------- |
-| `goGenerate`    | Allows the `goGenerate` `postUpdateCommand` to run after a go mod update.     |
+| `goGenerate`    | Allows the `goGenerate` `postUpdateOption` to run after a go mod update.      |
 | `gradleWrapper` | Allows using `./gradlew` or `gradle.bat` when performing updates with Gradle. |
 
 ## autodiscover