Bump third_party/lwip/repo from `84fde1e` to `554e104` #114925

Job	Run time
Build on Darwin (clang, simulated)	45m 9s
Build on Linux (fake, gcc_release, clang, simulated)	50m 20s
Build on Linux (coverage)	18m 13s
Build on Linux (gcc_debug)	56m 45s
Build on Linux (python_lib)	19m 31s
Build on Linux (python lighting-app)	5m 31s
	3h 15m 29s

Provide feedback