Bump devpi-web from 4.3.0 to 5.0.1 in /server

Bumps [devpi-web](https://github.com/devpi/devpi) from 4.3.0 to 5.0.1.
- [Changelog](https://github.com/devpi/devpi/blob/main/doc/changelog.rst)
- [Commits](devpi/devpi@web-4.3.0...web-5.0.1)

---
updated-dependencies:
- dependency-name: devpi-web
  dependency-version: 5.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

server/requirements.txt

@@ -1,2 +1,2 @@
 devpi-server==6.15.0
-devpi-web==4.3.0
+devpi-web==5.0.1