Update requirements.txt

Author: dciborow

.depends/requirements.txt

@@ -15,7 +15,7 @@ fastapi==0.65.2
 lasio==0.25.0
 msrest==0.6.21
 msrestazure==0.6.4
-numpy==1.21.1
+numpy==1.19.2
 opencensus-ext-azure>=1.0.5
 pandas==1.1.3
 pathlib2>=2.2.0