network spaces support for kubernetes-worker charm

[hyperbolic2346]

What this PR does / why we need it:
Adds support for network spaces in the kubernetes-worker charm.
Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #
https://github.com/juju-solutions/bundle-canonical-kubernetes/issues/406
Special notes for your reviewer:

Release note:

Added support for network spaces in the kubernetes-worker charm

[Cynerva]

/ok-to-test
/approve no-issue
/assign @Cynerva

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cynerva, hyperbolic2346

Associated issue requirement bypassed by: Cynerva

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[Cynerva]

/lgtm

Thanks!

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/test all [submit-queue is verifying that this PR is safe to merge]

[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 58438, 58523, 58513, 57948). If you want to cherry-pick this change to another branch, please follow the instructions here.