sqlite3: Update to 3.50.4

Release notes at https://www.sqlite.org/releaselog/3_50_4.html.

Obtained from: https://www.sqlite.org/2025/sqlite-autoconf-3500400.tar.gz

Merge commit 'e7e917ee3cf2b3010b1c511c6ebaf8b65b983ad7'

(cherry picked from commit 07d5a9b1b2dd95d95137c6c2afcb84ad40c05b75)