roll: third_party/pigweed 2 commits

0975df55750a15e docs: Replace 'bazel' with 'bazelisk'
3dcd6003bf2a0b2 pw_kvs: Pass EntryHeader by const reference

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 010825d4c23dfd7..0975df55750a15e
Roller-URL: https://ci.chromium.org/b/8739503817995799377
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I9eb530d104ca5726defb9472c60e1b360ee18f7b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/230052
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 010825d..0975df5 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 010825d4c23dfd7fd3a83ca16757f44fa7fc4497
+Subproject commit 0975df55750a15e70dbef2318ed0ff93ca7e64d5