chore(python-deps): update dependency urllib3 to v2.6.1 in all dependant actions (#778)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

actions/create_unique_testpypi_version/requirements.txt

@@ -15,4 +15,4 @@ soupsieve==2.8
 tomli==2.3.0
 tomli-w==1.2.0
 typing-extensions==4.15.0
-urllib3==2.6.0
+urllib3==2.6.1

actions/update_development_dependencies/requirements.txt

@@ -57,7 +57,7 @@ toml-sort==0.24.3
 tomlkit==0.13.3
 trove-classifiers==2025.12.1.14
 typing-extensions==4.15.0
-urllib3==2.6.0
+urllib3==2.6.1
 virtualenv==20.35.4
 xattr==1.3.0 ; sys_platform == "darwin"
 yamlfix==1.19.0