fix(deps): update module github.com/hetznercloud/hcloud-go to v2

This MR contains the following updates:

Package	Type	Update	Change
github.com/hetznercloud/hcloud-go	require	major	v1.50.0 -> v2.4.0

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Release Notes

hetznercloud/hcloud-go (github.com/hetznercloud/hcloud-go)

v2.4.0

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Features

• iso: support deprecation info API (#​331) (b3a3621)

v2.3.0

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Features

• add error code unauthorized (#​313) (b77d9e0)
• test with Go 1.21 (#​319) (7ddb2ec)

Bug Fixes

• ensure the pollBackoffFunc is correctly set (#​322) (2b2f869)

v2.2.0

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Features

• support resource-specific Action endpoints (#​295) (ddc2ac4)

v2.1.1

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Bug Fixes

• send more precise progress values (#​304) (867aa63)

v2.1.0

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Features

• metadata: add timeout option (#​293) (913bf74)

Bug Fixes

• action: unexpected behaviour when watching non-existing Actions (#​298) (0727d42)
• instrumentation: multiple instrumented clients cause panic (#​289) (c0ef9b6)

v2.0.0

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⚠ BREAKING CHANGES

• use int64 for ID fields (#​282)

Features

• make ListOpts.Values method public (#​285) (c82ea59)
• use int64 for ID fields (#​282) (359c389)

Bug Fixes

• action: show accurate progress in WatchOverallProgress (#​281) (cae9e57)
• iso: invalid field include_wildcard_architecture (188b68a)

v1.52.0

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Features

• iso: support deprecation info API (#​333) (5f89c57)

v1.51.0

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Features

• add error code unauthorized (#​313) (#​315) (5542b11)

Bug Fixes

• ensure the pollBackoffFunc is correctly set (#​322) (#​323) (9e19dea)

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