g3-shared-libs master: SRCREV bump 4d1ac1a2b3..5a0e47d8a6

gBMC Team (6):
      gbmc_settings: export absl_statusor and transitive deps in pkg-config
      Ecclesia: Decouple async Redfish RPC state lifetime from fiber stack in DoRpc
      Delete szl_api_option from all proto files in google3 (no-op).
      Backport certificate-authority-policy fixes from partner-code GoB repo.
      [machine_locality] Fix signed char buffer underflow in generated C++ DFA parsers on non-ASCII input.
      Add BootSourceOverrideTarget setting to SystemBiosSettings.

Google-Bug-Id: 559785933
Fusion-Link: fusion2 N/A
Tested: N/A
Change-Id: I78effe03ad66303ab0da175a3758865f6f89341a
Signed-off-by: Edward Lee <edwarddl@google.com>