chore(deps): update terraform hcloud to ~> 1.47.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
hcloud (source)	required_provider	minor	~> 1.45.0 -> ~> 1.47.0

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Release Notes

hetznercloud/terraform-provider-hcloud (hcloud)

### [`v1.47.0`](https://togithub.com/hetznercloud/terraform-provider-hcloud/blob/HEAD/CHANGELOG.md#1470-2024-05-02) [Compare Source](https://togithub.com/hetznercloud/terraform-provider-hcloud/compare/v1.46.1...v1.47.0) ##### Features - test with Terraform 1.8 ([#​919](https://togithub.com/hetznercloud/terraform-provider-hcloud/issues/919)) ([800a66c](https://togithub.com/hetznercloud/terraform-provider-hcloud/commit/800a66c0b9e61337b86a58f3ce7ab478fad391b6)) ##### Bug Fixes - **ssh-key:** data inconsistency with empty label objects ([#​922](https://togithub.com/hetznercloud/terraform-provider-hcloud/issues/922)) ([7e1bf2c](https://togithub.com/hetznercloud/terraform-provider-hcloud/commit/7e1bf2cd6c80c0a86d06b293e7d325e8986d5b3f)), closes [#​921](https://togithub.com/hetznercloud/terraform-provider-hcloud/issues/921) - **subnet:** handle new error message for deleting subnets with attached resources ([#​923](https://togithub.com/hetznercloud/terraform-provider-hcloud/issues/923)) ([932c47b](https://togithub.com/hetznercloud/terraform-provider-hcloud/commit/932c47b8c626898fae47f07b4c161d0206561fb1)) ### [`v1.46.1`](https://togithub.com/hetznercloud/terraform-provider-hcloud/blob/HEAD/CHANGELOG.md#1461-2024-04-05) [Compare Source](https://togithub.com/hetznercloud/terraform-provider-hcloud/compare/v1.45.0...v1.46.1) ##### Bug Fixes - **server:** cannot update placement group ([#​902](https://togithub.com/hetznercloud/terraform-provider-hcloud/issues/902)) ([fa5f98c](https://togithub.com/hetznercloud/terraform-provider-hcloud/commit/fa5f98cf4e0c62249b14694ad2db59a5baf8fe30))

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