roll: third_party/pigweed e606116..d1d3502 (2 commits)

d1d3502:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/477565 pw_ghish: Add Buganizer issue support
c5f2bb2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/479505 pw_ide: Use ProcessPoolExecutor for Kythe extraction

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: e6061165b6dfd7..d1d35023a6c7fa
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8670374155187510337
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I93e47c5ad698ba06fa11310c85e0b73932bb895c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/478788
diff --git a/third_party/pigweed b/third_party/pigweed
index e606116..d1d3502 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e6061165b6dfd7f391f2acd18b168b46d293068a
+Subproject commit d1d35023a6c7fa4cb8b421c09be343b6b3b34375