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

Updates the requirements on [documenteer[technote]](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...1.0.0)

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

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

requirements.txt

@@ -1 +1 @@
-documenteer[technote]<1
+documenteer[technote]<2