roll: third_party/pigweed pw_thread_freertos: Fix typo in tags

Followup to http://pwrev.dev/215232

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/237513
Original-Revision: e81f65b16a544f0a5d4ed98ebedece785379faca

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: aaa6103e386eac..e81f65b16a544f
Roller-URL: https://ci.chromium.org/b/8735892332908540433
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I408f130d532e2d380b43427fc817b590a29a85b3
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/237635
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index aaa6103..e81f65b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit aaa6103e386eacca267932d66987d99a8c36487a
+Subproject commit e81f65b16a544f0a5d4ed98ebedece785379faca