libpcre2: upgrade 10.45 -> 10.46

libpcre2: upgrade 10.45 -> 10.46

For the changelog see:
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.46

This is a security-only release, to address CVE-2025-58050:
https://nvd.nist.gov/vuln/detail/CVE-2025-58050

Signed-off-by: Markus Kurz <m.kurz92@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit d5b45d0db9ed40b3eef2e6a076c94da3ecc48acf)
Signed-off-by: Jeroen Hofstee <jhofstee@victronenergy.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>