feat: add support for terraform >= 1.3 (#138)

BREAKING CHANGE: module is no longer supported on terraform versions lower than 1.3

Author: terraform-ibm-modules-ops

README.md

@@ -135,7 +135,7 @@ statement instead the previous block.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >=1.2 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >=1.3 |
 | <a name="requirement_ibm"></a> [ibm](#requirement\_ibm) | ~>1.43.0 |
 
 ## Modules

common-dev-assets

@@ -9,8 +9,7 @@ terraform {
       version = "~>1.43.0"
     }
   }
-  required_version = ">=1.2"
-  experiments      = [module_variable_optional_attrs]
+  required_version = ">=1.3"
 }
 
 ##############################################################################

examples/default/versions.tf

@@ -104,7 +104,7 @@
   },
   "outputs": {},
   "required_core": [
-    "\u003e=1.2"
+    "\u003e=1.3"
   ],
   "required_providers": {
     "ibm": {

module-metadata.json

@@ -9,8 +9,7 @@ terraform {
       version = "~>1.43.0"
     }
   }
-  required_version = ">=1.2"
-  experiments      = [module_variable_optional_attrs]
+  required_version = ">=1.3"
 }
 
 ##############################################################################