Release 1.5.0 Checklist

[smira]

This is a tentative list of features, no commitment on the list.

## Major Tasks
- [ ] #7141
- [ ] #7223
- [ ] https://github.com/siderolabs/talos/issues/7374
- [ ] dymanic boot asset generator (registry)

## Smaller Tasks
- [ ] #7191
- [ ] #7249 (Azure image upload)
- [ ] https://github.com/siderolabs/talos/issues/6391

## Continuous Integration
- [ ] NVIDIA e2e test

### Documentation Items
- [x] What's New for 1.5
- [x] Generating images (new imager)
- [x] Installing/using system extensions
- [x] Generating SecureBoot assets
- [x] KubePrism
- [x] NVIDIA extension

[buroa]

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