test: try inlining the TF script

.github/workflows/ci.yaml

@@ -16,14 +16,21 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: coder/coder/.github/actions/setup-tf@main
-      - uses: oven-sh/setup-bun@v2
+      - name: Set up job
+        uses: actions/checkout@v4
+      - name: Set up Terraform
+        uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # v3.1.2
+        with:
+          terraform_version: 1.9.8
+          terraform_wrapper: false
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest
-      - name: Setup
+      - name: Install dependencies
         run: bun install
-      - run: bun test
+      - name: Run tests
+        run: bun test
   pretty:
     runs-on: ubuntu-latest
     steps: