docs: Update reST format

Apply changes from http://pwrev.dev/207511.

Change-Id: I98b97af09b64f1156e7642d0aae3a3dcdfc7cf20
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/208011
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Wyatt Hepler <hepler@google.com>
diff --git a/pw_graphics/pw_display/docs.rst b/pw_graphics/pw_display/docs.rst
index d25dcb0..4d6a475 100644
--- a/pw_graphics/pw_display/docs.rst
+++ b/pw_graphics/pw_display/docs.rst
@@ -32,4 +32,3 @@
 * :ref:`module-pw_pixel_pusher_rp2040_pio`
 
 .. graphics-modules-end
-
diff --git a/pw_pixel_pusher_rp2040_pio/docs.rst b/pw_pixel_pusher_rp2040_pio/docs.rst
index 786c1d2..cd0d505 100644
--- a/pw_pixel_pusher_rp2040_pio/docs.rst
+++ b/pw_pixel_pusher_rp2040_pio/docs.rst
@@ -18,4 +18,3 @@
 .. include:: ../pw_display/docs.rst
    :start-after: .. graphics-modules-start
    :end-before: .. graphics-modules-end
-
diff --git a/targets/mimxrt595_evk/target_docs.rst b/targets/mimxrt595_evk/target_docs.rst
index 198dc61..656d240 100644
--- a/targets/mimxrt595_evk/target_docs.rst
+++ b/targets/mimxrt595_evk/target_docs.rst
@@ -139,4 +139,3 @@
 
 Debug console is available on the USB serial port, e.g. ``/dev/ttyACM0``
 (Linux) or ``/dev/tty.usbmodem*`` (Mac).
-
diff --git a/third_party/pigweed b/third_party/pigweed
index 618d59a..07d564b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 618d59adc376e670b2c162ec718a5c8b69023a32
+Subproject commit 07d564b6cd7e9cde7eadd4b7c1dff38c8553b549