[roll third_party/pigweed] pw_web: NPM version bump to 0.0.19

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/206330

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: f3299bee142a088..1807af542686e6d
Roller-URL: https://ci.chromium.org/b/8749652340539784929
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3fd883b832efa7a362f9920f4a47c10fc6f0bed9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/206690
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 f3299be..1807af5 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f3299bee142a088f7c731358af524565a2ff625d
+Subproject commit 1807af542686e6dfe1dad3bb9c21d17d1c88a0da