Update pyyaml requirement from >=6.0.2 to >=6.0.3 (#985)

Updates the requirements on [pyyaml](https://github.com/yaml/pyyaml) to permit the latest version.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/6.0.3/CHANGES)
- [Commits](yaml/pyyaml@6.0.2...6.0.3)

---
updated-dependencies:
- dependency-name: pyyaml
  dependency-version: 6.0.3
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sam <sam@diagrid.io>

Author: dependabot[bot]

dev-requirements.txt

@@ -19,4 +19,4 @@ python-dotenv>=1.0.0
 # needed for enhanced schema generation from function features
 pydantic>=2.0.0
 # needed for yaml file generation in examples
-PyYAML>=6.0.2
+PyYAML>=6.0.3