Bump third_party/pigweed/repo from `1f12d06` to `3d0fac9` #1592

Job	Run time
REPL Tests - Darwin	0s
REPL Tests - Linux	6m 35s
Test Suites - Darwin (no-ble-asan-clang)	3m 25s
Test Suites - Linux (no-ble-tsan-clang)	6m 53s
Test Suites - Darwin (no-ble-tsan-clang)	1s
	16m 54s

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