Bump updatecli version to v0.84.0

[updateclibot]

deps: Bump updatecli version

Bump updatecli version in action.yaml

change detected: * key "$.inputs.version.default" updated from "v0.83.0" to "v0.84.0", in file "action.yaml"

v0.84.0

Release published on the 2024-09-02 14:00:04 +0000 UTC at the url https://github.com/updatecli/updatecli/releases/tag/v0.84.0

## Changes

## 🚀 Features

- feat(dockerfile): source implementation @loispostula (#2591)
- feat: implement prow autodiscovery @loispostula (#2567)
- feat(core): implement retry client for http fetching @loispostula (#2601)

## 🐛 Bug Fixes

- fix:  gitlab merge requests error @olblak (#2576)

## 🧰 Maintenance

- chore(gitlab tests) more restrictive main regex @loispostula (#2593)
- deps(go): bump module github.com/hashicorp/hcl/v2 @updateclibot (#2582)
- deps(go): bump module github.com/Masterminds/sprig/v3 @updateclibot (#2583)
- deps(go): bump module github.com/Masterminds/semver/v3 @updateclibot (#2569)
- chore(deps): Bump anchore/sbom-action from 0.17.1 to 0.17.2 @dependabot (#2555)

## Contributors

@dependabot, @dependabot[bot], @loispostula, @olblak, @updateclibot and @updateclibot[bot]

GitHub Action workflow link

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