[roll third_party/pigweed] pw_thread_freertos: use max prio in options

Updates the FreeRTOS thread options to use the newly added constant
for the maximum thread priority as it can be configured to not match
the FreeRTOS's default configuration.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/56786

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 88b36ebe4699e10..0d623e201023c94
Roller-URL: https://ci.chromium.org/b/8839153793694404288
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8839153793694404288
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibc1dfa710c015ed021d09fc0d36d65bb0801a434
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/56821
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/third_party/pigweed b/third_party/pigweed
index 88b36eb..0d623e2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 88b36ebe4699e101c793ce89f2e9fa113451f4c3
+Subproject commit 0d623e201023c944571126a50df2fbafc8465150