Add a spec reference to the chip-tool docs for timedInteractionTimeoutMs.

[bzbarsky-apple]

People keep being confused by what this means, if they don't know what timed interactions are. Point to the spec section they should read to figure that out.

[github-actions]

PR #23468: Size comparison from 5bf3e3f to aa42b6a

Increases (1 build for k32w)

platform	target	config	section	5bf3e3f	aa42b6a	change	% change
k32w	lock	k32w0+release	(read/write)	633468	633484	16	0.0
			.text	553060	553076	16	0.0

Decreases (2 builds for bl702, nrfconnect)

platform	target	config	section	5bf3e3f	aa42b6a	change	% change
bl702	lighting-app	bl702	.debug_info	38070160	38070159	-1	-0.0
			.text	958000	957998	-2	-0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	text	816996	816992	-4	-0.0

Full report (9 builds for bl702, k32w, nrfconnect, qpg)

platform	target	config	section	5bf3e3f	aa42b6a	change	% change
bl702	lighting-app	bl702		0	0	0	0.0
			(read only)	3262	3262	0	0.0
			(read/write)	1189595	1189595	0	0.0
			.bleromro	6296	6296	0	0.0
			.bleromrw	124	124	0	0.0
			.boot2	688	688	0	0.0
			.bss	67134	67134	0	0.0
			.bss_psram	29696	29696	0	0.0
			.comment	48	48	0	0.0
			.data	4280	4280	0	0.0
			.debug_abbrev	1513290	1513290	0	0.0
			.debug_aranges	132064	132064	0	0.0
			.debug_frame	484452	484452	0	0.0
			.debug_info	38070160	38070159	-1	-0.0
			.debug_line	5263845	5263845	0	0.0
			.debug_loc	3366772	3366772	0	0.0
			.debug_ranges	358120	358120	0	0.0
			.debug_str	3451668	3451668	0	0.0
			.hbn	509	509	0	0.0
			.hbn_noinit	260	260	0	0.0
			.init	342	342	0	0.0
			.init_array	144	144	0	0.0
			.psram	0	0	0	0.0
			.riscv.attributes	47	47	0	0.0
			.rodata	116680	116680	0	0.0
			.rsvd	3188	3188	0	0.0
			.shstrtab	293	293	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	566021	566021	0	0.0
			.symtab	172000	172000	0	0.0
			.tcm_data	36	36	0	0.0
			.tcmcode	3262	3262	0	0.0
			.text	958000	957998	-2	-0.0
		bl702+rpc		0	0	0	0.0
			(read only)	3262	3262	0	0.0
			(read/write)	1285539	1285539	0	0.0
			.bleromro	6296	6296	0	0.0
			.bleromrw	124	124	0	0.0
			.boot2	688	688	0	0.0
			.bss	75166	75166	0	0.0
			.bss_psram	29936	29936	0	0.0
			.comment	48	48	0	0.0
			.data	4816	4816	0	0.0
			.debug_abbrev	1650704	1650704	0	0.0
			.debug_aranges	139568	139568	0	0.0
			.debug_frame	509824	509824	0	0.0
			.debug_info	41986266	41986266	0	0.0
			.debug_line	5639579	5639579	0	0.0
			.debug_loc	3559599	3559599	0	0.0
			.debug_ranges	380920	380920	0	0.0
			.debug_str	3847796	3847796	0	0.0
			.hbn	509	509	0	0.0
			.hbn_noinit	260	260	0	0.0
			.init	342	342	0	0.0
			.init_array	160	160	0	0.0
			.psram	0	0	0	0.0
			.riscv.attributes	47	47	0	0.0
			.rodata	130088	130088	0	0.0
			.rsvd	3188	3188	0	0.0
			.shstrtab	293	293	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	625194	625194	0	0.0
			.symtab	189808	189808	0	0.0
			.tcm_data	36	36	0	0.0
			.tcmcode	3262	3262	0	0.0
			.text	1031704	1031704	0	0.0
k32w	contact	k32w0+release	(read/write)	661676	661676	0	0.0
			.bss	77040	77040	0	0.0
			.data	2104	2104	0	0.0
			.text	563420	563420	0	0.0
	light	k32w0+release	(read/write)	672008	672008	0	0.0
			.bss	74840	74840	0	0.0
			.data	2060	2060	0	0.0
			.text	592380	592380	0	0.0
	lock	k32w0+release	(read/write)	633468	633484	16	0.0
			.bss	75600	75600	0	0.0
			.data	2080	2080	0	0.0
			.text	553060	553076	16	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1188191	1188191	0	0.0
			bss	145301	145301	0	0.0
			rodata	144836	144836	0	0.0
			text	816996	816992	-4	-0.0
	all-clusters-minimal-app	nrf52840dk_nrf52840	(read/write)	1167475	1167475	0	0.0
			bss	144528	144528	0	0.0
			rodata	136576	136576	0	0.0
			text	805334	805334	0	0.0
qpg	lighting-app	qpg6105+debug	(read/write)	1149968	1149968	0	0.0
			.bss	110612	110612	0	0.0
			.data	848	848	0	0.0
			.text	597068	597068	0	0.0
	lock-app	qpg6105+debug	(read/write)	1114760	1114760	0	0.0
			.bss	106388	106388	0	0.0
			.data	836	836	0	0.0
			.text	561856	561856	0	0.0