roll: pigweed, pw_toolchain: pw_cpu_exception_cortex_m: Fix cpu exception handler on armv8m

- restore msplim and psplim in the exception entry
- mark the entry with PW_NO_PROLOGUE
- ensure the correct captured_state is checked in BeginBaseFaultTest

Tested with clang and gcc with and without -Oz

Original-Fixes: b/323215726

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/231372

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 9175df7b56d3ca3..06e763c089d0171
Roller-URL: https://ci.chromium.org/b/8738944477445194465
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I14f32df0ae807f4b5069831d2e82b4de7e37db19
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/231276
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

MODULE.bazel

diff --git a/MODULE.bazel b/MODULE.bazel
index d8ebafb..52cc04c 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -48,8 +48,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-22.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8738944866566574545.
-    commit = "9175df7b56d3ca387ee05100fc29cfd7c5cd46da",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8738944477445194465.
+    commit = "06e763c089d01717046a4d6153fc66ea64ab1bce",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -57,8 +57,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-22.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8738944866566574545.
-    commit = "9175df7b56d3ca387ee05100fc29cfd7c5cd46da",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8738944477445194465.
+    commit = "06e763c089d01717046a4d6153fc66ea64ab1bce",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )