chore(deps): update dependency hashicorp/terraform to v1.9.4 (#332)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [hashicorp/terraform](https://togithub.com/hashicorp/terraform) |
patch | `1.9.1` -> `1.9.4` |

---

### Release Notes

<details>
<summary>hashicorp/terraform (hashicorp/terraform)</summary>

###
[`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.
([#&#8203;35511](https://togithub.com/hashicorp/terraform/issues/35511))
- init: Don't crash when discovering invalid syntax in duplicate
required_providers blocks.
([#&#8203;35533](https://togithub.com/hashicorp/terraform/issues/35533))

###
[`v1.9.3`](https://togithub.com/hashicorp/terraform/releases/tag/v1.9.3)

[Compare
Source](https://togithub.com/hashicorp/terraform/compare/v1.9.2...v1.9.3)

##### 1.9.3 (July 24, 2024)

ENHANCEMENTS:

- Terraform now returns a more specific error message in the awkward
situation where an input variable validation rule is known to have
failed (`condition` returned `false`) but the error message is derived
from an unknown value.
([#&#8203;35400](https://togithub.com/hashicorp/terraform/pull/35400))

BUG FIXES:

- core: Terraform no longer performs an unnecessary refresh when
removing an instance targeted by a `removed` block.
([#&#8203;35458](https://togithub.com/hashicorp/terraform/pull/35458))
- config generation: Fix validation error when using nested computed or
deprecated attributes.
([#&#8203;35484](https://togithub.com/hashicorp/terraform/pull/35484))
- Updated to newer github.com/hashicorp/go-retryablehttp version,
addressing CVE-2024-6104, and bringing in updates for several indirect
dependencies.
([#&#8203;35473](https://togithub.com/hashicorp/terraform/pull/35473))
- Moved to building with Go 1.22.5, which addresses CVE-2024-24791 and
several other non-security bugs.
([#&#8203;35494](https://togithub.com/hashicorp/terraform/pull/35494))

###
[`v1.9.2`](https://togithub.com/hashicorp/terraform/releases/tag/v1.9.2)

[Compare
Source](https://togithub.com/hashicorp/terraform/compare/v1.9.1...v1.9.2)

##### 1.9.2 (July 10, 2024)

BUG FIXES:

- core: Fix panic when self-referencing direct instances from `count`
and `for_each` meta attributes.
([#&#8203;35432](https://togithub.com/hashicorp/terraform/pull/35432))

</details>

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.terraform-version

@@ -1 +1 @@
-1.9.1
+1.9.4