[roll pigweed] pw_assert_basic: Use full function name when possible

Use the __PRETTY_FUNCTION__ macro, if available, in place of the
__func__ macro. __PRETTY_FUNCTION__ prints the full C++ function name.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/107682

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 5c79262fbdc815c..011b6ff90e45c49
Roller-URL: https://ci.chromium.org/b/8804994473832834305
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia441a4b0a8aafe68e3c3a14adc4144879483b130
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/108023
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pigweed b/pigweed
index 5c79262..011b6ff 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 5c79262fbdc815c4108d955e0ddbedb0bfd5b4ec
+Subproject commit 011b6ff90e45c49c6d67bec495b796f38d578d95