[roll pigweed] pw_bloat: New RST output with custom templating

Implement new dropdown table for RST output docs.
Fix diff algorithm bug. Add source filter support
per report.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/107799

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 366513d44688d64..86f7df7495229f3
Roller-URL: https://ci.chromium.org/b/8804904313148595345
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4191fb452764a81060fc9198cccdbeb64826b0c9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/108136
Bot-Commit: 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/pigweed b/pigweed
index 366513d..86f7df7 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 366513d44688d6441524b2659b2769a14079df2c
+Subproject commit 86f7df7495229f3aa0aaf2f15121c3fe81ba09af