build(deps): update anyio requirement in /.dagger-ci/daggerci

Updates the requirements on [anyio](https://github.com/agronholm/anyio) to permit the latest version.
- [Release notes](https://github.com/agronholm/anyio/releases)
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](agronholm/anyio@4.5.0...4.6.0)

---
updated-dependencies:
- dependency-name: anyio
  dependency-type: direct:production
...

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

.dagger-ci/daggerci/requirements.txt

@@ -1,4 +1,4 @@
-anyio~=4.5
+anyio~=4.6
 dagger-io~=0.13
 prettytable~=3.11
 pytest~=8.3