chore(deps): bump urllib3 from 1.26.18 to 1.26.19 in /docs (#205)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 to 1.26.19.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/1.26.19/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.18...1.26.19)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docs/requirements.txt

@@ -28,12 +28,16 @@ docutils==0.20.1
     # via sphinx
 furo==2024.5.6
     # via -r requirements.in
-idna==3.2
-    # via requests
+idna==3.7
+    # via
+    #   -r requirements.in
+    #   requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.3
-    # via sphinx
+jinja2==3.1.4
+    # via
+    #   -r requirements.in
+    #   sphinx
 livereload==2.6.3
     # via sphinx-autobuild
 markupsafe==2.0.1
@@ -88,7 +92,7 @@ tornado==6.4.1
     # via
     #   -r requirements.in
     #   livereload
-urllib3==1.26.18
+urllib3==1.26.19
     # via requests
 waitress==2.1.2
     # via webtest