fix: do not pin module dependencies (#42)

Reduce the constraint on the provider's version.

This should reduce the amount of renovate updates we receive, without
big impact, as we have dedicated lock files in the /example or /dev
directories.

Author: jooola

.terraform.lock.hcl

@@ -2,28 +2,28 @@ terraform {
   required_providers {
     local = {
       source  = "hashicorp/local"
-      version = "2.5.1"
+      version = ">= 2.5.1, < 3.0.0"
     }
     null = {
       source  = "hashicorp/null"
-      version = "3.2.2"
+      version = ">= 3.2.2, < 4.0.0"
     }
     tls = {
       source  = "hashicorp/tls"
-      version = "4.0.5"
+      version = ">= 4.0.5, < 5.0.0"
     }
     helm = {
       source  = "hashicorp/helm"
-      version = "2.14.1"
+      version = ">= 2.14.1, < 3.0.0"
     }
     kubernetes = {
       source  = "hashicorp/kubernetes"
-      version = "2.31.0"
+      version = ">= 2.31.0, < 3.0.0"
     }
 
     hcloud = {
       source  = "hetznercloud/hcloud"
-      version = "1.48.0"
+      version = ">= 1.48.0, < 2.0.0"
     }
   }
 }