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

For #64707.
For #65614.

Change-Id: Ib07ac67d7652bc7c9e1363f70637938c7bb4bc72
GitHub-Last-Rev: a4d8eca
GitHub-Pull-Request: #66089
Reviewed-on: https://go-review.googlesource.com/c/go/+/568755
Reviewed-by: Ian Lance Taylor <[email protected]>
Auto-Submit: Ian Lance Taylor <[email protected]>
Reviewed-by: Michael Knyszek <[email protected]>
LUCI-TryBot-Result: Go LUCI <[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).