qpg: build libFactoryData instead of using an artifact

[q-thla]

Instead of using a static factory data blob, use a freshly build libfactorydata.a so any changes to .factory_data_config file or its input files are picked up by the GN build.

[github-actions]

PR #26449: Size comparison from 7bbd64d to 8c41e67

Decreases (3 builds for bl602, bl702, cc32xx)

platform	target	config	section	7bbd64d	8c41e67	change	% change
bl602	lighting-app	bl602+rpc	.text	1067334	1067332	-2	-0.0
bl702	lighting-app	bl702	.debug_info	40943089	40943088	-1	-0.0
			.text	965472	965470	-2	-0.0
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	19674627	19674626	-1	-0.0

Full report (5 builds for bl602, bl702, cc32xx)

platform	target	config	section	7bbd64d	8c41e67	change	% change
bl602	lighting-app	bl602	(read/write)	1354998	1354998	0	0.0
			.bss	87886	87886	0	0.0
			.data	9648	9648	0	0.0
			.text	1035978	1035978	0	0.0
		bl602+rpc	(read/write)	1401266	1401266	0	0.0
			.bss	95934	95934	0	0.0
			.data	10040	10040	0	0.0
			.text	1067334	1067332	-2	-0.0
bl702	lighting-app	bl702		0	0	0	0.0
			(read only)	3358	3358	0	0.0
			(read/write)	1185759	1185759	0	0.0
			.bleromro	6342	6342	0	0.0
			.bleromrw	124	124	0	0.0
			.boot2	328	328	0	0.0
			.bss	67585	67585	0	0.0
			.bss_psram	24368	24368	0	0.0
			.comment	48	48	0	0.0
			.data	3952	3952	0	0.0
			.debug_abbrev	1550204	1550204	0	0.0
			.debug_aranges	132944	132944	0	0.0
			.debug_frame	488804	488804	0	0.0
			.debug_info	40943089	40943088	-1	-0.0
			.debug_line	5301455	5301455	0	0.0
			.debug_loc	3424613	3424613	0	0.0
			.debug_ranges	372344	372344	0	0.0
			.debug_str	3708223	3708223	0	0.0
			.hbn	536	536	0	0.0
			.hbn_noinit	260	260	0	0.0
			.init	342	342	0	0.0
			.init_array	140	140	0	0.0
			.psram	0	0	0	0.0
			.riscv.attributes	47	47	0	0.0
			.rodata	106304	106304	0	0.0
			.rsvd	4	4	0	0.0
			.sha_ocram	72	72	0	0.0
			.shstrtab	304	304	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	580786	580786	0	0.0
			.symtab	175264	175264	0	0.0
			.tcm_data	28	28	0	0.0
			.tcmcode	3358	3358	0	0.0
			.text	965472	965470	-2	-0.0
		bl702+rpc		0	0	0	0.0
			(read only)	3358	3358	0	0.0
			(read/write)	1273555	1273555	0	0.0
			.bleromro	6342	6342	0	0.0
			.bleromrw	124	124	0	0.0
			.boot2	328	328	0	0.0
			.bss	75633	75633	0	0.0
			.bss_psram	24768	24768	0	0.0
			.comment	48	48	0	0.0
			.data	4504	4504	0	0.0
			.debug_abbrev	1706954	1706954	0	0.0
			.debug_aranges	141224	141224	0	0.0
			.debug_frame	516776	516776	0	0.0
			.debug_info	45848902	45848902	0	0.0
			.debug_line	5716360	5716360	0	0.0
			.debug_loc	3626917	3626917	0	0.0
			.debug_ranges	397648	397648	0	0.0
			.debug_str	4133328	4133328	0	0.0
			.hbn	536	536	0	0.0
			.hbn_noinit	260	260	0	0.0
			.init	342	342	0	0.0
			.init_array	156	156	0	0.0
			.psram	0	0	0	0.0
			.riscv.attributes	47	47	0	0.0
			.rodata	120144	120144	0	0.0
			.rsvd	4	4	0	0.0
			.sha_ocram	72	72	0	0.0
			.shstrtab	304	304	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	641456	641456	0	0.0
			.symtab	193600	193600	0	0.0
			.tcm_data	28	28	0	0.0
			.tcmcode	3358	3358	0	0.0
			.text	1038096	1038096	0	0.0
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	605002	605002	0	0.0
			(read/write)	204164	204164	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197576	197576	0	0.0
			.comment	206	206	0	0.0
			.data	1468	1468	0	0.0
			.debug_abbrev	957619	957619	0	0.0
			.debug_aranges	101232	101232	0	0.0
			.debug_frame	342080	342080	0	0.0
			.debug_info	19674627	19674626	-1	-0.0
			.debug_line	2671903	2671903	0	0.0
			.debug_line_str	513	513	0	0.0
			.debug_loc	33340	33340	0	0.0
			.debug_loclists	1491139	1491139	0	0.0
			.debug_ranges	4984	4984	0	0.0
			.debug_rnglists	94412	94412	0	0.0
			.debug_str	3131828	3131828	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104314	104314	0	0.0
			.shstrtab	265	265	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	483089	483089	0	0.0
			.symtab	287232	287232	0	0.0
			.text	498564	498564	0	0.0