[roll third_party/pigweed] pw_env_setup: Bump pip and pip-tools

pip 23.2 requires pip-tools 7.0.0 or higher:
https://github.com/jazzband/pip-tools/pull/1906

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/156470

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: bf017dec0fbf1a9..fa54fc66949487c
Roller-URL: https://ci.chromium.org/b/8775213152364663841
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iffdc526f7dbebf3caeea38fda0cb41a80df493b4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/156750
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 bf017de..fa54fc6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit bf017dec0fbf1a9335461b6f6f011e53e688703a
+Subproject commit fa54fc66949487c776aca7fd9232eb91c998ad48