feat(docker-image): update prompve/prometheus-pve-exporter docker tag to v3.5.1

[renovate]

This PR contains the following updates:

Package	Update	Change
prompve/prometheus-pve-exporter	minor	3.4.5 -> 3.5.1

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Release Notes

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

v3.5.1

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Changed

- Bump alpine from 3.21.0 to 3.21.2 (#​315)

v3.5.0

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Added

- Extend storage info (#​312)
- Add pve_ha_state and pve_lock_state metrics (#​311)

v3.4.7

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Changed

- Bump proxmoxer from 2.1.0 to 2.2.0 (#​309)
- Bump prometheus-client from 0.21.0 to 0.21.1 (#​308)
- Bump alpine from 3.20.3 to 3.21.0 (#​307)

v3.4.6

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Changed

- Fix metrics docs (#​301)
- Bump werkzeug from 3.0.4 to 3.1.3 (#​297)
- Bump prometheus-client from 0.20.0 to 0.21.0 (#​286)

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