Draft: CI: Update fedora base image to f38

See commits

Needs:

• !5432 (merged)
• GIR file have new fields and must be updated
• clang warning in vulkan video code !5996 (merged)
• Add missing OpenSSL valgrind supressions (see https://stackoverflow.com/questions/21532371/memory-leak-in-openssl-function-evp-pkey-keygen)
• Everything valgrind failing