Run stubtest for psutil on all platforms (#9169)

stubs/psutil/@tests/stubtest_allowlist.txt

@@ -1,4 +1,13 @@
+# These super() dunders don't seem to be particularly useful,
+# and having them pop up on autocomplete suggestions would be annoying
+psutil._compat.super.__self__
+psutil._compat.super.__self_class__
+psutil._compat.super.__thisclass__
+
+# Stubtest does not support these platforms
+psutil._psaix
 psutil._psbsd
-psutil._psosx
-psutil._psutil_windows
-psutil._pswindows
+psutil._pssunos
+
+# Test utilities
+psutil.tests.*

stubs/psutil/@tests/stubtest_allowlist_darwin.txt

@@ -0,0 +1,4 @@
+psutil._pslinux
+psutil._psutil_linux
+psutil._psutil_windows
+psutil._pswindows

stubs/psutil/@tests/stubtest_allowlist_linux.txt

@@ -0,0 +1,4 @@
+psutil._psosx
+psutil._psutil_windows
+psutil._psutil_osx
+psutil._pswindows

stubs/psutil/@tests/stubtest_allowlist_win32.txt

@@ -0,0 +1,6 @@
+psutil._pslinux
+psutil._psosx
+
+psutil._psutil_linux
+psutil._psutil_osx
+psutil._psutil_posix