Restrict to numpy 1.x

[ashao]

The new major version release of Numpy is incompatible with modules compiled against Numpy 1.x. For both SmartSim and SmartRedis we request a 1.x version of numpy. This is needed in SmartSim because some of the downstream dependencies request NumPy.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.16%. Comparing base (0956399) to head (aef4f22).
Report is 12 commits behind head on develop.

❗ There is a different number of reports uploaded between BASE (0956399) and HEAD (aef4f22). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (0956399)	HEAD (aef4f22)
	6	2

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #623      +/-   ##
===========================================
- Coverage    66.23%   59.16%   -7.08%     
===========================================
  Files           83       83              
  Lines         6208     6208              
===========================================
- Hits          4112     3673     -439     
- Misses        2096     2535     +439     

see 17 files with indirect coverage changes

[al-rigazzi]

LGTM, thanks for fixing this bug so quickly!