Update go-sqlite3 to v1.14.53 to drop two C compiler warnings (closes #245)

`go-sqlite3` v1.14.29 printed two `-Wdiscarded-qualifiers` warnings from its copy of SQLite when compiled with a recent `gcc`. v1.14.53 prints neither.

Model: opus-5-5

TODO.md

@@ -57,6 +57,9 @@ File an issue for each problem the run finds.
 
 # Completed Steps
 
+- 2026-11-10: `github.com/mattn/go-sqlite3` is at v1.14.53, so building on the
+  host no longer prints its two C compiler warnings (closes
+  https://git.eeqj.de/sneak/routewatch/issues/245).
 - 2026-11-10: `README.md` and this file are read whole against the rules of
   https://git.eeqj.de/sneak/routewatch/issues/157, and every statement except
   measured figures and what outside services do is checked against the code on