update default Compute Shape to A1 and fix required_providers versions

Author: lucassrg

orm.yaml

@@ -246,7 +246,7 @@ variables:
 
   compute_shape:    
     type: oci:core:instanceshape:name
-    default: VM.Standard.E4.Flex
+    default: VM.Standard.A1.Flex
     title: Compute Shape
     required: true
     dependsOn:

versions.tf

@@ -4,11 +4,13 @@ terraform {
 
   required_providers {
     oci = {
+      source  = "hashicorp/oci"
       version = ">= 4.24"
     }
+    
     template = {
-      version = ">= 2.2"
+      source  = "hashicorp/template"
+      version = ">= 2.1"
     }
-
   }
 }