build(deps): bump hashicorp/setup-terraform from 3 to 4

Bumps [hashicorp/setup-terraform](https://github.com/hashicorp/setup-terraform) from 3 to 4.
- [Release notes](https://github.com/hashicorp/setup-terraform/releases)
- [Changelog](https://github.com/hashicorp/setup-terraform/blob/main/CHANGELOG.md)
- [Commits](hashicorp/setup-terraform@v3...v4)

---
updated-dependencies:
- dependency-name: hashicorp/setup-terraform
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/formatting.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Terraform
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         if: ${{ matrix.engine == 'terraform' }}
 
       - name: Install OpenTofu

.github/workflows/terraform_tests.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Terraform
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         if: ${{ matrix.engine == 'terraform' }}
         with:
           terraform_version: ${{ matrix.version }}

.github/workflows/terratest.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Terraform
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         if: ${{ matrix.engine == 'terraform' }}
         with:
           terraform_version: ${{ matrix.version }}

.github/workflows/validation.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Terraform
-        uses: hashicorp/setup-terraform@v3
+        uses: hashicorp/setup-terraform@v4
         if: ${{ matrix.engine == 'terraform' }}
         with:
           terraform_version: ${{ matrix.version }}