main/pcre2: upgrade to 10.36

Helper for #12095 (closed)

Also https://bugs.exim.org/show_bug.cgi?id=2468 this one should be resolved and could be backported to 3.12 (at least for arm) via !14067 (merged)

https://lists.exim.org/lurker/message/20201204.144126.a46809c7.en.html

 usr/lib/libpcre2-16.so.0
-usr/lib/libpcre2-16.so.0.10.0
+usr/lib/libpcre2-16.so.0.10.1

 usr/lib/libpcre2-32.so.0
-usr/lib/libpcre2-32.so.0.10.0
+usr/lib/libpcre2-32.so.0.10.1