Upgrade kubernetes-agent-tentacle to 9.1.4221

[APErebus]

Description

Includes:

• Correctly look for known tag when matching versions.json tag not found OctopusTentacle#1274

Pre-requisites

• I have read How we use GitHub Issues for help deciding when and where it's appropriate to make an issue.
• I have added a changeset with an appropriate customer facing description.
• I have considered appropriate testing for my change.
• This PR affects all release versions and will need to be forward merged.
  • See the documentation if unsure of the process.

[changeset-bot]

🦋 Changeset detected

Latest commit: 6da20bb

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
kubernetes-agent	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR