Bump third_party/openthread/repo from 34ecac8 to eaa2779

[dependabot]

Bumps third_party/openthread/repo from 34ecac8 to eaa2779.

Commits

• eaa2779 [settings] define new Settings key for Border Router ID (#8971)
• 96ea730 [posix] update upstream DNS addresses after a few minutes (#8972)
• 612f21e [link-metrics] refactor link metrics module (#8966)
• 9affbab [cli] refactor br command prefix type (#9022)
• 30b79cc [test] migrate tests to cmake (#8929)
• 2caf6b8 [ip6] add otIp6PrefixFromString() (#9016)
• a7edd85 [netdata] prefer BR acting as router over ED (when all other checks are same)...
• 4fed5ea [net-diag] vendor name, model, and sw version TLVs (#8898)
• 6f909a1 [mle] request "Route TLV" after quick re-attach as FED (#8956)
• b9a3180 [mle] fix how time per role is tracked after counters are reset (#9011)
• Additional commits viewable in compare view

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[github-actions]

PR #26412: Size comparison from 6c0c5ea to fc8186f

Increases (1 build for cc32xx)

platform	target	config	section	6c0c5ea	fc8186f	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	19609755	19609756	1	0.0

Full report (1 build for cc32xx)

platform	target	config	section	6c0c5ea	fc8186f	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	605090	605090	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	957621	957621	0	0.0
			.debug_aranges	101136	101136	0	0.0
			.debug_frame	341512	341512	0	0.0
			.debug_info	19609755	19609756	1	0.0
			.debug_line	2666632	2666632	0	0.0
			.debug_line_str	513	513	0	0.0
			.debug_loc	33340	33340	0	0.0
			.debug_loclists	1489225	1489225	0	0.0
			.debug_ranges	4984	4984	0	0.0
			.debug_rnglists	94315	94315	0	0.0
			.debug_str	3108982	3108982	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104354	104354	0	0.0
			.shstrtab	265	265	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	483384	483384	0	0.0
			.symtab	287328	287328	0	0.0
			.text	498612	498612	0	0.0