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

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit
the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.4.0...8.0.0)

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

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

Author: dependabot[bot]

.dagger-ci/daggerci/requirements.txt

@@ -1,7 +1,7 @@
 anyio~=4.2
 dagger-io~=0.9
 prettytable~=3.9
-pytest~=7.4
+pytest~=8.0
 pytest-benchmark~=4.0
 pytest-cov~=4.1
 pytest-flake8~=1.1