[third_party/pigweed] Roll 2 commits

f2effc952a10001 pw_protobuf: Allow MemoryEncoder&->StreamEncoder&
182274d695968f3 pw_rpc: Fix more missing integration test deps

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: ad5329826f39f4e..f2effc952a10001
Roller-URL: https://ci.chromium.org/b/8839358271213968849
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8839358271213968849
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I99a947a2b0c3cd9f88f8e95e81b3ed07febc31c3
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/56565
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index ad53298..f2effc9 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit ad5329826f39f4eeb0dd039d3c4e2829d218d6af
+Subproject commit f2effc952a10001eeb09abb4dbe41bd231b7aee7