lock flask version for cirque

[yunhanw-google]

lock flask version for cirque since upstream flask in python is broken somehow

[github-actions]

PR #26306: Size comparison from 6211b74 to 2cd6674

Increases (1 build for cc32xx)

platform	target	config	section	6211b74	2cd6674	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	19522047	19522048	1	0.0

Full report (1 build for cc32xx)

platform	target	config	section	6211b74	2cd6674	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	602722	602722	0	0.0
			(read/write)	204156	204156	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197568	197568	0	0.0
			.comment	206	206	0	0.0
			.data	1468	1468	0	0.0
			.debug_abbrev	956996	956996	0	0.0
			.debug_aranges	103664	103664	0	0.0
			.debug_frame	350552	350552	0	0.0
			.debug_info	19522047	19522048	1	0.0
			.debug_line	2682783	2682783	0	0.0
			.debug_line_str	513	513	0	0.0
			.debug_loc	33340	33340	0	0.0
			.debug_loclists	1506228	1506228	0	0.0
			.debug_ranges	4984	4984	0	0.0
			.debug_rnglists	96278	96278	0	0.0
			.debug_str	3059509	3059509	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104250	104250	0	0.0
			.shstrtab	265	265	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	481887	481887	0	0.0
			.symtab	287248	287248	0	0.0
			.text	496348	496348	0	0.0