[roll] Roll third_party/pigweed edd09be..0554f0d (4 commits)

0554f0d pw_tokenizer: C++ detokenization microbenchmark
80512ef pw_tokenizer: Add thread safety to dir creation
6784a0d pw_channel: Document inheritance pattern; discourage SiblingCast
df60e9e pw_env_setup: Update CIPD pin

GitOrigin-RevId: bedfcbc7864a68248343db78a5bbb4304de02079
Change-Id: I562b5076c0457c845c942efd5b96c4b5765b0a9d
diff --git a/third_party/flower b/third_party/flower
index 5aafd2d..2d60c49 100644
--- a/third_party/flower
+++ b/third_party/flower
@@ -518,7 +518,7 @@
              path="third_party/pigweed/src"
              remote="https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="edd09be23b84c8a43333980e91d3f0910956cfee"/>
+             revision="0554f0dfe34089b7245431beba03ea73b1343448"/>
     <project name="third_party/github.com/google/python_portpicker"
              gitsubmoduleof="fuchsia"
              path="third_party/python_portpicker/src"