Bump third_party/pigweed/repo from 8659ed5 to 4b50d0e

[dependabot]

Bumps third_party/pigweed/repo from 8659ed5 to 4b50d0e.

Commits

• 4b50d0e roll: gn
• ea469e5 roll: cmake
• 35714d4 pw_perf_test: Added PW_PERF_TEST macro and its supporting components
• b754605 pw_console: Unify widget imports
• 7818d3b pw_unit_test: Marking pw_disableable_target as exportable and internal
• 08b29a1 pw_software_update: Add CLI Manual documentation
• 6bc7ab3 pw_{arduino_build,bloat}: Remove "yapf: enable"
• 826e442 pw_bluetooth: Add CharacteristicPropertyBits operators
• 4de5042 pw_thread: Make wildcard build pass
• 54725fa pw_build: Git repo location fix
• Additional commits viewable in compare view

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[github-actions]

PR #23905: Size comparison from 9c0ca13 to 396a7f0

Full report (9 builds for efr32, mbed, nrfconnect)

platform	target	config	section	9c0ca13	396a7f0	change	% change
efr32	lighting-app	BRD4161A+rpc	(read/write)	976116	976116	0	0.0
			.bss	152252	152252	0	0.0
			.data	2168	2168	0	0.0
			.text	821676	821676	0	0.0
		BRD4161A+rs911x	(read/write)	1037616	1037616	0	0.0
			.bss	186728	186728	0	0.0
			.data	2012	2012	0	0.0
			.text	848856	848856	0	0.0
		BRD4187C	(read/write)	1149188	1149188	0	0.0
			.bss	138648	138648	0	0.0
			.data	2516	2516	0	0.0
			.text	983428	983428	0	0.0
	lock-app	BRD4161A+wf200	(read/write)	1163288	1163288	0	0.0
			.bss	158296	158296	0	0.0
			.data	2020	2020	0	0.0
			.text	1002952	1002952	0	0.0
	window-app	BRD4187C	(read/write)	1141720	1141720	0	0.0
			.bss	140064	140064	0	0.0
			.data	2540	2540	0	0.0
			.text	974520	974520	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2463328	2463328	0	0.0
			.bss	215012	215012	0	0.0
			.data	5872	5872	0	0.0
			.text	1425972	1425972	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1190747	1190747	0	0.0
			bss	145285	145285	0	0.0
			rodata	144448	144448	0	0.0
			text	819848	819848	0	0.0
		nrf7002dk_nrf5340_cpuapp	(read/write)	1360874	1360874	0	0.0
			bss	105224	105224	0	0.0
			rodata	211552	211552	0	0.0
			text	759606	759606	0	0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1136391	1136391	0	0.0
			bss	144520	144520	0	0.0
			rodata	120764	120764	0	0.0
			text	790016	790016	0	0.0