[roll] Roll fuchsia [superproject] Roll third_party/pigweed docs: Add more guidance to Bazel docgen quickstart

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/240877
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 9fe59f4e9e23cacc4218773e108040d1632a1025
GitOrigin-RevId: dd0965bb2d267b821ec0d4bd5aa5813f9e018ee9
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1133874
Original-Revision: 6c273a0af006790834499cf915d2cffc40bc9df5
Change-Id: I5b10a7833f639efbcfefd2a1d9f37762181f1d5a

Author: global-integration-roller

stem

@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="8afe0530f4a2ad429ee0dea0da6b25908e208f52"/>
+             revision="6c273a0af006790834499cf915d2cffc40bc9df5"/>
   </projects>
   <hooks>
     <hook name="install-environment"