chore(deps): update dependency hashicorp/terraform to v1.9.4 in dockerfile

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
hashicorp/terraform	patch	1.9.3 -> 1.9.4

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Release Notes

hashicorp/terraform (hashicorp/terraform)

### [`v1.9.4`](https://togithub.com/hashicorp/terraform/releases/tag/v1.9.4) [Compare Source](https://togithub.com/hashicorp/terraform/compare/v1.9.3...v1.9.4) ##### 1.9.4 (August 7, 2024) BUG FIXES: - core: Unneeded variable validations were being executed during a destroy plan, which could cause plans starting with incomplete state to fail. ([#​35511](https://togithub.com/hashicorp/terraform/issues/35511)) - init: Don't crash when discovering invalid syntax in duplicate required_providers blocks. ([#​35533](https://togithub.com/hashicorp/terraform/issues/35533))

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