build(deps): bump urllib3 from 2.5.0 to 2.6.3

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.5.0 to 2.6.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.5.0...2.6.3)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.in

@@ -30,6 +30,6 @@ pyyaml_env_tag==1.1
 regex==2025.11.3
 requests==2.32.5
 six==1.17.0
-urllib3==2.5.0
+urllib3==2.6.3
 watchdog==6.0.0
 mkdocs-macros-plugin==1.5.0

requirements.txt

@@ -603,9 +603,9 @@ termcolor==2.5.0 \
     --hash=sha256:37b17b5fc1e604945c2642c872a3764b5d547a48009871aea3edd3afa180afb8 \
     --hash=sha256:998d8d27da6d48442e8e1f016119076b690d962507531df4890fcd2db2ef8a6f
     # via mkdocs-macros-plugin
-urllib3==2.5.0 \
-    --hash=sha256:3fc47733c7e419d4bc3f6b3dc2b4f890bb743906a30d56ba4a5bfa4bbff92760 \
-    --hash=sha256:e6b01673c0fa6a13e374b50871808eb3bf7046c4b125b216f6bf1cc604cff0dc
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via
     #   -r requirements.in
     #   requests