roll: pigweed pw_thread: Thread priority class

Introduce generic pw::thread::internal::Priority class, which does not
depend on the backend.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/242214
Original-Revision: 4f536c6c1137a7282e7f800aa636c79c5c629191

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 03acee913ad816..4f536c6c1137a7
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8727962166711622385
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I97d1ae5bf8e030e6f73033c638c83d8a7bddeb54
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/256315
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/MODULE.bazel b/MODULE.bazel
index b6b3bc8..b337ddf 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -41,8 +41,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-12-21.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8727984231187690017.
-    commit = "03acee913ad816b889081af06cad878331a67b62",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8727962166711622385.
+    commit = "4f536c6c1137a7282e7f800aa636c79c5c629191",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -50,8 +50,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-12-21.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8727984231187690017.
-    commit = "03acee913ad816b889081af06cad878331a67b62",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8727962166711622385.
+    commit = "4f536c6c1137a7282e7f800aa636c79c5c629191",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )