Bump robotframework from 6.0.2 to 6.1 (#349)

Bumps [robotframework](https://github.com/robotframework/robotframework) from 6.0.2 to 6.1.
- [Release notes](https://github.com/robotframework/robotframework/releases)
- [Commits](robotframework/robotframework@v6.0.2...v6.1)

---
updated-dependencies:
- dependency-name: robotframework
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -1,4 +1,4 @@
-robotframework==6.0.2
+robotframework==6.1
 robotframework-requests==0.9.5
 robotframework-seleniumlibrary==6.1.0
 robotframework-sudslibrary-aljcalandra==1.1.4