Release KubeOne 1.2.1

[xmudrii]

Scheduled to happen: Tuesday, 2021-03-23

Before Release

• Write and publish the changelog (Add the changelog for the v1.2.1 release #1292, [release/v1.2] Add the changelog for the v1.2.1 release #1293)

Release

• Create and push a new tag
• Ensure that the release job has succeeded
  (watch https://public-prow.loodse.com/?job=post-kubeone-release)

After Release

• Update the release's description on the GitHub Releases page to replace
  the automatically generated description with the changelog

Action Items

/assign

[xmudrii]

/close

[kubermatic-bot]

@xmudrii: Closing this issue.

In response to this:

/close

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