Tests

Bump third_party/nanopb/repo from `9c11463` to `0923469` #1299

Job	Run time
Test Suites - Linux (no-ble-tsan-clang)	1h 10m 58s
REPL Tests - Darwin	0s
REPL Tests - Linux	36m 51s
Test Suites - Darwin (no-ble-asan-clang)	1h 13m 10s
Test Suites - Darwin (no-ble-tsan-clang)	1h 7m 16s
	4h 8m 15s

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