[roll third_party/pigweed] pw_ide: Restore stable clangd settings link

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/164011

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: c04a08ede6e88cf..b6fc715a09aa6dd
Roller-URL: https://ci.chromium.org/b/8773292495229907297
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0b86a78af76e34c514a53996188b2bb03a3cb35c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/164150
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 c04a08e..b6fc715 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c04a08ede6e88cf0bd112999a305619cc89c53ff
+Subproject commit b6fc715a09aa6dd7655564e6ec1f8d0d8ace0bf9