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://redirect.github.com/canonical/charming-actions/releases/tag/2.6.3) [Compare Source](https://redirect.github.com/canonical/charming-actions/compare/2.6.2...2.6.3) ##### What's Changed - fix(upload-bundle): Implement the same functionality without using `juju-bundle` by [@​mvlassis](https://redirect.github.com/mvlassis) in [https://github.com/canonical/charming-actions/pull/151](https://redirect.github.com/canonical/charming-actions/pull/151) ##### New Contributors - [@​mvlassis](https://redirect.github.com/mvlassis) made their first contribution in [https://github.com/canonical/charming-actions/pull/151](https://redirect.github.com/canonical/charming-actions/pull/151) **Full Changelog**: https://github.com/canonical/charming-actions/compare/2.6.2...2.6.3

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