Bump h11 in /server/requirements in the pip group across 1 directory

Bumps the pip group with 1 update in the /server/requirements directory: [h11](https://github.com/python-hyper/h11).


Updates `h11` from 0.14.0 to 0.16.0
- [Commits](python-hyper/h11@v0.14.0...v0.16.0)

---
updated-dependencies:
- dependency-name: h11
  dependency-version: 0.16.0
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

server/requirements/common.txt

@@ -8,7 +8,7 @@ dnspython==2.7.0
 email_validator==2.2.0
 fastapi==0.115.12
 fastapi-cli==0.0.7
-h11==0.14.0
+h11==0.16.0
 httpcore==1.0.8
 httptools==0.6.4
 httpx==0.28.1