devel/open62541: Update to version 1.3.7

I had to patch the version inside the CMakeLists.txt because it
otherwise produces a conflicting shared object.

Changelog: https://github.com/open62541/open62541/releases/tag/v1.3.7

Signed-off-by: Nico Sonack <nsonack@herrhotzenplotz.de>
PR: 273718