Automatic merge from submit-queue (batch tested with PRs 48439, 48440, 48394)

Fix: namespace-create have kubectl in path

**What this PR does / why we need it**: In juju deployed clusters namespace-create action is failing

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/juju-solutions/bundle-canonical-kubernetes/issues/326

**Special notes for your reviewer**:

**Release note**:

```Fix: namespace-create action on Juju deployed clusters
```