doc/go1.23: document database/sql wrap errors

For #64707
For #65614

Signed-off-by: aimuz <[email protected]>

Author: aimuz

doc/next/6-stdlib/99-minor/database/sql/64707.md

@@ -0,0 +1,4 @@
+Errors returned by [`driver.Valuer`](/database/sql/driver#Driver)
+implementations are now wrapped for improved error handling during
+operations like [`Query`](/database/sql#DB.Query), [`Exec`](/database/sql#DB.Exec),
+and [`QueryRow`](/database/sql#DB.QueryRow).