Update libseccomp to v2.5.4

The previously used version couldn't resolve the names of new
syscalls' numbers.

Author: otargowski

external/libseccomp.cmake

@@ -59,8 +59,8 @@ IF((NOT DEFINED LIBSECCOMP_BUILD_OWN AND (NOT EXISTS "${libseccomp_LIB_PATH}" OR
     ENDIF()
 
     ExternalProject_Add(seccomp_project
-        URL https://github.com/seccomp/libseccomp/releases/download/v2.3.3/libseccomp-2.3.3.tar.gz
-        URL_HASH SHA256=7fc28f4294cc72e61c529bedf97e705c3acf9c479a8f1a3028d4cd2ca9f3b155
+        URL https://github.com/seccomp/libseccomp/releases/download/v2.5.4/libseccomp-2.5.4.tar.gz
+        URL_HASH SHA256=d82902400405cf0068574ef3dc1fe5f5926207543ba1ae6f8e7a1576351dcbdb
 
         CONFIGURE_COMMAND
             CFLAGS=${EXTRA_FLAGS} CXXFLAGS=${EXTRA_FLAGS} <SOURCE_DIR>/configure