Merge pull request #31610 from michalvavrik/feature/docs-write-extensions-suggest-static-init-builder

Docs - suggest `StaticInitConfigBuilderBuildItem` instead of deprecated `StaticInitConfigSourceProviderBuildItem`

Author: geoand

docs/src/main/asciidoc/writing-extensions.adoc

@@ -70,7 +70,7 @@ But many properties like enable caching or setting the JDBC driver can safely re
 
 ==== Static Init Config
 
-If the extension provides additional Config Sources and if these are required during Static Init, these must be registered with `StaticInitConfigSourceProviderBuildItem`. Configuration in Static Init does not scan for additional sources to avoid double initialization at application startup time.
+If the extension provides additional Config Sources and if these are required during Static Init, these must be registered with `StaticInitConfigBuilderBuildItem`. Configuration in Static Init does not scan for additional sources to avoid double initialization at application startup time.
 
 ////
 === API