MAINT: PR 39 revisions

* reduce compiled view ranks from 5 to 4 in attempt
to alleviate compilation memory issue

* the reason for going above 3 is that 4 is the current
preferred minimum for the Python array API standard
per this discussion:
data-apis/array-api#479

Author: tylerjereddy

.github/workflows/linux-ci.yml

@@ -119,7 +119,7 @@ jobs:
         python -m pip install pytest &&
         python setup.py install
           --enable-layouts
-          --enable-view-ranks=5
+          --enable-view-ranks=4
           --disable-memory-traits
           --enable-werror
           -- -DENABLE_EXAMPLES=ON