roll: third_party/pigweed 236c292..8cb56bd (4 commits)

8cb56bd:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/275892 pw_console: Remove unused ipython dependency
44575e1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/275914 pw_i2c_mcuxpresso: Fix thread annotation issues
615cb03:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/275912 MODULE.bazel: Use mirror of googletest
a63afba:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/274572 pw_env_setup: Upgrade pylint

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 236c292ed9f516..8cb56bd9842718
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8720388159170804081
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I48974dc127ad5bf2607a622d747a3c0e03e7eed6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/276014
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.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 236c292..8cb56bd 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 236c292ed9f51681fcd044bf2646aa42b0266943
+Subproject commit 8cb56bd9842718fa5b755ff5bb058a64130b439c