[third_party/pigweed] Roll 5 commits

c4a939e113debc0 pw_bluetooth: Add versions - LEGetVendorCapabiliti
cf33fd5c9cc9b6f pw_bluetooth_sapphire: Iterators
a37b82ee271f61a many: Move maxDiff to be a class attribute
bb28159eee347b2 pw_sensor: Fix Python install
c779ef6691f3de7 pw_build: Disable deprecated pragma warnings

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: a4dd94c7fc90cf4..c4a939e113debc0
Roller-URL: https://ci.chromium.org/b/8750377528047137297
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib2652466acc9d3b9c8f9075e37a09325b7aebf78
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/204270
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 a4dd94c..c4a939e 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a4dd94c7fc90cf44581b35487b4a2b0c3aae5299
+Subproject commit c4a939e113debc06ca30f3557a1f2c395cd9055a