chore(deps): update canonical/charming-actions action to v2.6.3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
canonical/charming-actions	action	patch	2.6.2 -> 2.6.3

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Release Notes

canonical/charming-actions (canonical/charming-actions)

### [`v2.6.3`](https://togithub.com/canonical/charming-actions/compare/2.6.2...2.6.3) [Compare Source](https://togithub.com/canonical/charming-actions/compare/2.6.2...2.6.3)

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Configuration

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🚦 Automerge: Enabled.

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🔕 Ignore: Close this PR and you won't be reminded about this update again.

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