Fix #124086: blake2 hasher is unavailable on macOS

The issue is caused by an external dependency to
/opt/homebrew/opt/libb2/lib/libb2.1.dylib

This change adds a test to catch the same issue in the future,
and moves the arm64 libraries to a newer hash with fixed Python.

Pull Request: https://projects.blender.org/blender/blender/pulls/124096

lib/macos_arm64

@@ -1 +1 @@
-Subproject commit 9cc70eaa4f6824d3480da2200ae9746b0b54522a
+Subproject commit ea2cae98e9a61b73c6f52603d3f9a58242f789b3

tests/python/bl_bundled_modules.py

@@ -26,6 +26,9 @@ import urllib3
 import zlib
 import zstandard
 
+# Dynamically loaded modules, to ensure they have satisfactory dependencies.
+import _blake2
+
 # VFX platform modules.
 from pxr import Usd
 import MaterialX