build(deps): bump setuptools in /lib/galaxy/dependencies

Bumps [setuptools](https://github.com/pypa/setuptools) from 81.0.0 to 83.0.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v81.0.0...v83.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 83.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

lib/galaxy/dependencies/pinned-requirements.txt

@@ -245,7 +245,7 @@ ruamel-yaml==0.19.1
 s3fs==2026.6.0
 schema-salad==8.9.20260417192335
 secretstorage==3.5.0 ; sys_platform == 'linux'
-setuptools==81.0.0
+setuptools==83.0.0
 six==1.17.0
 slowapi==0.1.10
 sniffio==1.3.1