Tests

Bump third_party/openthread/repo from `f0530af` to `eaa6261` #64508

Job	Run time
REPL Tests - Darwin	0s
REPL Tests - Linux	41m 9s
Test Suites - Darwin (no-ble-asan-clang)	1h 26m 20s
Test Suites - Linux (no-ble-tsan-clang)	1h 48m 50s
Test Suites - Darwin (no-ble-tsan-clang)	2h 1m 46s
	5h 58m 5s

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