[roll third_party/pigweed] pw_web: Add icons and row styling based on severity

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/153010

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: b85cbedebf539b8..353553eac531be0
Roller-URL: https://ci.chromium.org/b/8777087634861171521
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4df30b636cbcadb058a39cd1860a751be358943a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/153459
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 b85cbed..353553e 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit b85cbedebf539b8ae5c8274a6db7b1dbdcca57f0
+Subproject commit 353553eac531be09600f7c45a7f88a7bf841b926