Bump pyyaml from 5.4 to 6.0 in /test/acceptance/features (#1341) (#1414)

Bumps [pyyaml](https://github.com/yaml/pyyaml) from 5.4 to 6.0.
- [Release notes](https://github.com/yaml/pyyaml/releases)
- [Changelog](https://github.com/yaml/pyyaml/blob/master/CHANGES)
- [Commits](yaml/pyyaml@5.4...6.0)

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

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

Author: service-binding-operator-bot

test/acceptance/features/requirements.txt

@@ -1,5 +1,5 @@
 behave==1.2.6
 requests==2.24.0
 polling2==0.5.0
-PyYAML==5.4
+PyYAML==6.0
 semver==2.13.0