[roll] Roll third_party/pigweed SEED: Add facilitators to metadata and generated table

Accept facilitator as an argument to the pw_seed build template and
update the SEED process to include setting it.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/185932
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 8d60197f7388252401668dfbe66bcd952ef177e1
GitOrigin-RevId: b202a39e98f0f68531bc583eb7dc81b484bf6ca7
Change-Id: I0089289ff9ec3571e211c1eaaac1e5179b3167a5
diff --git a/third_party/flower b/third_party/flower
index 211f1b1..59f8a2a 100644
--- a/third_party/flower
+++ b/third_party/flower
@@ -451,7 +451,7 @@
              path="third_party/pigweed/src"
              remote="https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="baed4c896be04221216ea205cc274e45ef0b451d"/>
+             revision="8d60197f7388252401668dfbe66bcd952ef177e1"/>
     <project name="third_party/github.com/google/python_portpicker"
              gitsubmoduleof="fuchsia"
              path="third_party/python_portpicker/src"