[roll third_party/pigweed] pw_presubmit: Add banned words check

Add check for non-inclusive language.

Original-Bug: 386
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/46360

third_party/pigweed Rolled-Commits: 09dc0a3e8c25ff7..5fecb791056c98b
Roller-URL: https://ci.chromium.org/b/8846684064810523344
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8846684064810523344
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia46767f3beab83cbdc75fd1648f93d4d045269f0
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/46400
Reviewed-by: 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 09dc0a3..5fecb79 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 09dc0a3e8c25ff7cd46dabb19f7206f778716195
+Subproject commit 5fecb791056c98bae0fb1f3e145b313ab079f64a