ci(terraform): Fix file search pattern

Only look for tf, tfvars or tftpl files

Author: chris3ware

.github/workflows/terraform-ci.yaml

@@ -39,7 +39,10 @@ jobs:
         with:
           dir_names: true
           dir_names_max_depth: 3
-          files: terraform/**
+          files: |
+            terraform/**/*.tf
+            terraform/**/*.tfvars
+            terraform/**/*.tftpl
           matrix: true
 
   terraform-deploy: