Signed-off-by: Andrei Kvapil <kvapss@gmail.com>
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## What this PR does
PVC resizing now only occurs when storage is being increased, preventing
unintended storage reduction operations
### Release note
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```release-note
[virtual-machine] Improve check for resizing job
```
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## Summary by CodeRabbit
* **Bug Fixes**
* PVC resizing now only triggers when the requested storage increases,
preventing unintended shrink attempts.
* **Enhancements**
* More robust storage-size comparison and validation to accurately
detect growth.
* Resize operations now run only when needed, reducing unnecessary jobs.
* **New Features**
* Added conditional pre-install/pre-upgrade hook workflow to perform
controlled PVC resize jobs.
* **Chores**
* Minor template formatting cleanup.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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