chore(deps): update prompve/prometheus-pve-exporter docker tag to v3.9.0

[renovate]

This PR contains the following updates:

Package	Update	Change
prompve/prometheus-pve-exporter	minor	3.8.2 → 3.9.0

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Release Notes

prometheus-pve/prometheus-pve-exporter (prompve/prometheus-pve-exporter)

v3.9.0

Compare Source

Added

- Add qdevice collector (#​442)

Changed

• Bump paramiko from 4.0.0 to 5.0.0 (#​441)
• Bump urllib2 from 2.6.3 to 2.7.0 (#​440)

v3.8.3

Compare Source

Changed

- Bump requests from 2.32.5 to 2.33.1 (#​438)
- Bump alpine from 3.23.3 to 3.23.4 (#​435)
- Bump prometheus-client from 0.24.1 to 0.25.0 (#​434)
- Bump cryptography from 46.0.5 to 46.0.7 (#​432)
- Bump werkzeug from 3.1.6 to 3.1.8 (#​431)
- Pin actions in CI workflow to commit SHA (#​437)

`3.8.2`_ - 2026-03-22
---------------------

Changed

• Add security note to the README file (#​423)
• Bump docker/setup-buildx-action from 3 to 4 (#​424)
• Bump docker/build-push-action from 6 to 7 (#​425)
• Bump docker/login-action from 3 to 4 (#​426)
• Bump wrapt from 2.1.1 to 2.1.2 (#​419)
• Bump proxmoxer from 2.2.0 to 2.3.0 (#​418)
• Bump werkzeug from 3.1.5 to 3.1.6 (#​411)
• Bump docker/metadata-action from 5 to 6 (#​417)
• Bump docker/setup-qemu-action from 3 to 4 (#​416)
• Bump actions/attest-build-provenance from 3 to 4 (#​415)
• Bump actions/download-artifact from 7 to 8 (#​414)
• Bump actions/upload-artifact from 6 to 7 (#​413)
• fix: f-string in module-not-found response and move url_map to init (#​421)

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