[roll] Roll fuchsia [superproject] Roll third_party/pigweed e011157..cc53189 (3 commits)

cc53189 pw_preprocessor: Expand comment for PW_PACKED
d33bfc0 pw_rpc: Require an output function for channels
7ef5e1f pw_kvs: Move inline variable definition to .cc file

GitOrigin-RevId: 105ec931cfe3a58af5c0c9b2ef79df99b1326d28
Roller-URL: https://ci.chromium.org/b/8739672649665948913
CQ-Do-Not-Cancel-Tryjobs: true
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1100481
Original-Revision: 468f261c1403cc4deda6c9c4a3e434c005b77d23
Change-Id: I2af6fe69a2ef2423111f9a8f29b1952fb71f77f1
diff --git a/stem b/stem
index ceca988..f75b4f67c 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="1052bca52e7f6bfe1583ef84352a1ee4946ed34a"/>
+             revision="468f261c1403cc4deda6c9c4a3e434c005b77d23"/>
   </projects>
   <hooks>
     <hook name="install-environment"