Bump urllib3 from 1.25.3 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.25.3 to 1.26.5.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.25.3...1.26.5)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.May2021.txt

@@ -95,7 +95,7 @@ terminado==0.9.4
 testpath==0.4.4
 tornado==6.1
 traitlets==4.3.3
-urllib3==1.24.3
+urllib3==1.26.5
 visitor==0.1.3
 wcwidth==0.2.5
 webassets==0.12.1

requirements.txt

@@ -126,7 +126,7 @@ toolz==0.9.0
 tornado==6.1
 traitlets==4.3.2
 typing-extensions==3.10.0.0
-urllib3==1.24
+urllib3==1.26.5
 visitor==0.1.3
 wcwidth==0.1.7
 webassets==0.12.1

requirements2.txt

@@ -50,7 +50,7 @@ PyYAML==5.1
 simplejson==3.16.0
 SQLAlchemy==1.3.3
 tables==3.4.4
-urllib3==1.25.3
+urllib3==1.26.5
 visitor==0.1.3
 Werkzeug==0.16.1
 widgetsnbextension==3.4.0