Bump updatecli version to v0.55.1

[github-actions]

UPDATECLI.YAML

Bump updatecli version in action.yaml

key "$.inputs.version.default" updated from "v0.55.0" to "v0.55.1", in file "action.yaml"

v0.55.1

Release published on the 2023-07-31 07:17:53 +0000 UTC at the url https://github.com/updatecli/updatecli/releases/tag/v0.55.1

## Changes

## 🐛 Bug Fixes

- Fix Udash login flow with access_token @olblak (#1436)

## Contributors

@olblak, @updateclibot and @updateclibot[bot]

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