Bump urllib3 from 1.26.18 to 2.6.0

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 to 2.6.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.18...2.6.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirement_files/Sphinx.txt

@@ -19,4 +19,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
 sphinxcontrib.applehelp==1.0.3
-urllib3==1.26.18
+urllib3==2.6.0

requirement_files/requests.txt

@@ -2,4 +2,4 @@ certifi==2023.7.22
 charset-normalizer==2.1.1
 idna==3.4
 requests==2.31.0
-urllib3==1.26.18
+urllib3==2.6.0

requirement_files/slacker.txt

@@ -3,4 +3,4 @@ charset-normalizer==2.1.1
 idna==3.4
 requests==2.31.0
 slacker==0.14.0
-urllib3==1.26.18
+urllib3==2.6.0

requirements_recommended.txt

@@ -37,7 +37,7 @@ six==1.17.0
 tokenize-rt==6.2.0
 tomli==2.2.1
 --no-binary tomli
-urllib3==2.5.0
+urllib3==2.6.0
 virtualenv==20.31.2
 xattr==1.1.4
 --no-binary xattr