Update documenteer[guide] requirement from <1 to <2

Updates the requirements on [documenteer[guide]](https://github.com/lsst-sqre/documenteer) to permit the latest version.
- [Release notes](https://github.com/lsst-sqre/documenteer/releases)
- [Changelog](https://github.com/lsst-sqre/documenteer/blob/main/CHANGELOG.md)
- [Commits](lsst-sqre/documenteer@0.1.0...1.0.1)

---
updated-dependencies:
- dependency-name: documenteer[guide]
  dependency-type: direct:production
...

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

pyproject.toml

@@ -33,7 +33,7 @@ dev = [
     "pre-commit",
     "mypy",
     # Documentation
-    "documenteer[guide]<1",
+    "documenteer[guide]<2",
     "scriv",
 ]