roll: third_party/pigweed bazel: Use Bazel 8.6.0 with other required updates

This also required rolling to

- rules_java 8.14.0

Test: bazelisk build //..
Test: Presubmit
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/390832
Original-Revision: 9e1809ce5cca3c5b6f648f002b2b531448d9921b

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: e863ea72cc6913..9e1809ce5cca3c
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8686160516108458321
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I7d5d203ed83de4de998535f6367df2f0e980d304
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/390992

third_party/pigweed

diff --git a/third_party/pigweed b/third_party/pigweed
index e863ea7..9e1809c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e863ea72cc6913586919573033a56db1e9efde71
+Subproject commit 9e1809ce5cca3c5b6f648f002b2b531448d9921b