[pip](deps): Update watchfiles requirement (#232)

Updates the requirements on [watchfiles](https://github.com/samuelcolvin/watchfiles) to permit the latest version.
- [Release notes](https://github.com/samuelcolvin/watchfiles/releases)
- [Commits](samuelcolvin/watchfiles@v0.21.0...v1.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -11,6 +11,6 @@ psutil>=6.0.0,<7
 prometheus-client>=0.20.0,<1
 prometheus-async>=22.2.0,<23
 jishaku>=2.5.2,<3
-watchfiles>=0.21.0,<1
+watchfiles>=0.21.0,<2
 PyYAML>=6.0.1,<7
 typing_extensions>=4.11.0,<5