Bump fastmcp from 3.4.7 to 4.0.3

Bumps [fastmcp](https://github.com/PrefectHQ/fastmcp) from 3.4.7 to 4.0.3.
- [Release notes](https://github.com/PrefectHQ/fastmcp/releases)
- [Changelog](https://github.com/PrefectHQ/fastmcp/blob/main/docs/changelog.mdx)
- [Commits](PrefectHQ/fastmcp@v3.4.7...v4.0.3)

---
updated-dependencies:
- dependency-name: fastmcp
  dependency-version: 4.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -41,7 +41,7 @@ python-dotenv = "^1.2.1"
 PyYAML = "^6.0"
 markdown-it-py = ">=3,<5"
 mdit-py-plugins = ">=0.5,<0.7"
-fastmcp = { version = "^3.1.1", optional = true }
+fastmcp = { version = ">=3.1.1,<5.0.0", optional = true }
 
 [tool.poetry.extras]
 mcp = ["fastmcp"]