Update spack submodule

MHeymann · MHeymann · commit 96932d657d0f · 2022-08-31T21:37:42.000+02:00
diff --git a/spack b/spack
@@ -1 +1 @@
-Subproject commit afc55511ab27361b0e51df56dabdf5891e02ff54
+Subproject commit caad11c7cda35eacd3958276d44a9a02cb19f909
