Fix CI

Author: JerritEic

.github/workflows/ci.yaml

@@ -8,15 +8,19 @@ jobs:
   check-formatting:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: hashicorp/setup-terraform@v3
+
+    - uses: actions/checkout@v5
 
     - name: Check formatting
       run: terraform fmt -check
 
   validate-module:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: hashicorp/setup-terraform@v3
+
+    - uses: actions/checkout@v5
 
     - name: Run terraform init
       run: terraform init