[arc-multicloud] Bump up extension version

[alexmahonic]

---

Bump up version to release to changes in this PR #8154

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• Have you run azdev style <YOUR_EXT> locally? (pip install azdev required)
• Have you run python scripts/ci/test_index.py -q locally? (pip install wheel==0.30.0 required)
• My extension version conforms to the Extension version schema

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• My extension description/summary conforms to the Extension Summary Guidelines.

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Once your pull request is merged into main branch, a new pull request will be created to update src/index.json automatically.
You only need to update the version information in file setup.py and historical information in file HISTORY.rst in your PR but do not modify src/index.json.

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[yonzhan]

Thank you for your contribution! We will review the pull request and get back to you soon.

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• For more info about extension versioning, please refer to Extension version schema

[kairu-ms]

/azp run

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Azure Pipelines successfully started running 2 pipeline(s).

[azclibot]

[Release] Update index.json for extension [ multicloud-connector ] : https://dev.azure.com/azclitools/release/_build/results?buildId=203816&view=results