sqlite3: upgrade 3.48.0 -> 3.50.4

sqlite3: upgrade 3.48.0 -> 3.50.4

With the upgrade to 3.50.4, some configure options changed
as the project switched from `autotools` to `autosetup`.
The PACKAGECONFIG "dyn_ext" is not longer available.
Besides, the default CONFIGUREOPTS "target", "exec_prefix"
and "oldincludedir" became invalid.

Changelog: https://sqlite.org/releaselog/3_50_4.html

Signed-off-by: Anna-Lena Marx <anna-lena.marx@inovex.de>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>