This commit updates the CI workflows to use the CI image v0.26.1, which
is based on Ubuntu 22.04 and and includes LLVM 16.
Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
Splitting bsim tests workflows to be triggered separatley for networking
(thread/802.15.4) and bluetooth tests.
Signed-off-by: Przemyslaw Bida <przemyslaw.bida@nordicsemi.no>