Update poethepoet requirement from <0.26 to <0.28

Updates the requirements on [poethepoet](https://github.com/nat-n/poethepoet) to permit the latest version.
- [Release notes](https://github.com/nat-n/poethepoet/releases)
- [Commits](nat-n/poethepoet@v0.1.0...v0.27.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements-test.txt

@@ -1,7 +1,7 @@
 datadiff>=2.0,<3
 fastapi[test]
 marko<3
-poethepoet<0.26
+poethepoet<0.28
 pytest>=6.1.0,<9
 pytest-cov<6
 ruff<0.4;python_version>='3.7'