[roll third_party/pigweed] env_setup: Don't write the spinner to files

Avoid writing backspace character to logs files as this just makes the
log harder to read.

No-Docs-Update-Reason: no API change
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/48400

third_party/pigweed Rolled-Commits: 89ff5f98f38b1ff..f48241063b6104a
Roller-URL: https://ci.chromium.org/b/8844943992343496272
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8844943992343496272
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If4fb02c99ad1f4356bea1574901c66143dc7cf57
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/48324
Reviewed-by: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 89ff5f9..f482410 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 89ff5f98f38b1ff7a1ff0633c590479e9b592a14
+Subproject commit f48241063b6104a0273aa475df19984cc60c28e6