Bump urllib3 from 1.26.11 to 1.26.12 in /requirements

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.11 to 1.26.12.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.11...1.26.12)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/publish.txt

@@ -218,7 +218,7 @@ typing-extensions==4.3.0 \
     --hash=sha256:25642c956049920a5aa49edcdd6ab1e06d7e5d467fc00e0506c44ac86fbfca02 \
     --hash=sha256:e6d2677a32f47fc7eb2795db1dd15c1f34eff616bcaf2cfb5e997f854fa1c4a6
     # via pydantic
-urllib3==1.26.11 \
-    --hash=sha256:c33ccba33c819596124764c23a97d25f32b28433ba0dedeb77d873a38722c9bc \
-    --hash=sha256:ea6e8fb210b19d950fab93b60c9009226c63a28808bc8386e05301e25883ac0a
+urllib3==1.26.12 \
+    --hash=sha256:3fa96cf423e6987997fc326ae8df396db2a8b7c667747d47ddd8ecba91f4a74e \
+    --hash=sha256:b930dd878d5a8afb066a637fbb35144fe7901e3b209d1cd4f524bd0e9deee997
     # via requests