Bump urllib3 from 1.26.20 to 2.2.3 in /docker/py-ews

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.20 to 2.2.3.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.20...2.2.3)

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

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

Author: dependabot[bot]

docker/py-ews/Pipfile

@@ -33,7 +33,7 @@ requests-kerberos = "*"
 requests-ntlm = "==1.1.0" # lock because of https://github.com/requests/requests-ntlm/issues/136
 six = "*"
 tzlocal = "*"
-urllib3 = "<2"
+urllib3 = "<3"
 
 [requires]
 python_version = "3.11"