Bump custom SQLite to 3.46.1

Author: groue

Documentation/CustomSQLiteBuilds.md

@@ -3,7 +3,7 @@ Custom SQLite Builds
 
 By default, GRDB uses the version of SQLite that ships with the target operating system.
 
-**You can build GRDB with a custom build of [SQLite 3.44.0](https://www.sqlite.org/changes.html).**
+**You can build GRDB with a custom build of [SQLite 3.46.1](https://www.sqlite.org/changes.html).**
 
 A custom SQLite build can activate extra SQLite features, and extra GRDB features as well, such as support for the [FTS5 full-text search engine](../../../#full-text-search), and [SQLite Pre-Update Hooks](https://swiftpackageindex.com/groue/grdb.swift/documentation/grdb/transactionobserver).