Tests

Bump third_party/pigweed/repo from `1f12d06` to `e45b2e6` #2298

Job	Run time
Test Suites - Darwin (no-ble-asan-clang)	2m 56s
Test Suites - Darwin (no-ble-tsan-clang)	2m 57s
REPL Tests - Darwin	0s
REPL Tests - Linux	1h 4m 19s
Test Suites - Linux (no-ble-tsan-clang)	2m 1s
	1h 12m 13s

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