Update WebKit commit to aa4997abc9126f5a7557c9ecb7e8104779d87ec4

Updates the WebKit version in SetupWebKit.cmake from 684d4551ce5f62683476409d7402424e0f6eafb5
to aa4997abc9126f5a7557c9ecb7e8104779d87ec4. Build completed successfully and verified with
hello world test.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: Claude Bot

cmake/tools/SetupWebKit.cmake

@@ -2,7 +2,7 @@ option(WEBKIT_VERSION "The version of WebKit to use")
 option(WEBKIT_LOCAL "If a local version of WebKit should be used instead of downloading")
 
 if(NOT WEBKIT_VERSION)
-  set(WEBKIT_VERSION 684d4551ce5f62683476409d7402424e0f6eafb5)
+  set(WEBKIT_VERSION aa4997abc9126f5a7557c9ecb7e8104779d87ec4)
 endif()
 
 string(SUBSTRING ${WEBKIT_VERSION} 0 16 WEBKIT_VERSION_PREFIX)