Merge pull request #1448 from amath-idm/dependabot/pip/tests/urllib3-1.26.19

Bump urllib3 from 1.26.18 to 1.26.19 in /tests

Author: cliffckerr

tests/requirements_frozen.txt

@@ -46,7 +46,7 @@ smmap==3.0.5
 statsmodels==0.12.2
 Topology==2.16.0
 traitlets==5.0.5
-urllib3==1.26.18
+urllib3==1.26.19
 wcwidth==0.2.5
 xlrd==1.2.0
 XlsxWriter==1.3.7