[roll] Roll third_party/pigweed pw_polyfill: Provide static_assert polyfill for C

- Provide C23-style static_assert with an optional message argument in
  any version of C.
- Remove <assert.h> includes in favor of pw_polyfill/static_assert.h.
- Move the pw_tokenizer-specific static_assert definition to
  pw_polyfill.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/188137
Original-Revision: 0d006b2d8864259d37ec8a159e69091f64549932
GitOrigin-RevId: 80c2c0aae332237d5c8d02ab10883eac5bc513be
Change-Id: Ia945090379b4f1a1b90d117346fc50efcbda84b0
diff --git a/third_party/flower b/third_party/flower
index 0713dcb..2ad8091 100644
--- a/third_party/flower
+++ b/third_party/flower
@@ -451,7 +451,7 @@
              path="third_party/pigweed/src"
              remote="https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="4df1a0780e47de9b391e9d8b755d3438a672e4b4"/>
+             revision="0d006b2d8864259d37ec8a159e69091f64549932"/>
     <project name="third_party/github.com/google/python_portpicker"
              gitsubmoduleof="fuchsia"
              path="third_party/python_portpicker/src"