Update dependency libjuju 2 to v2.9.49.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
libjuju 2	2.9.46.1 -> 2.9.49.0				

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Release Notes

juju/python-libjuju (libjuju 2)

### [`v2.9.49.0`](https://togithub.com/juju/python-libjuju/releases/tag/2.9.49.0) [Compare Source](https://togithub.com/juju/python-libjuju/compare/2.9.46.1...2.9.49.0) #### What's Changed - Bugfix none type by [@​Aflynn50](https://togithub.com/Aflynn50) in [https://github.com/juju/python-libjuju/pull/1035](https://togithub.com/juju/python-libjuju/pull/1035) - Fix deploy bundle tests by [@​jack-w-shaw](https://togithub.com/jack-w-shaw) in [https://github.com/juju/python-libjuju/pull/1046](https://togithub.com/juju/python-libjuju/pull/1046) - Release 2.9.49.0 notes by [@​Aflynn50](https://togithub.com/Aflynn50) in [https://github.com/juju/python-libjuju/pull/1045](https://togithub.com/juju/python-libjuju/pull/1045) **Full Changelog**: https://github.com/juju/python-libjuju/compare/2.9.46.1...2.9.49.0

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