specify terraform and providers versions to be a bit looser.

provisioning/terraform.tf

@@ -1,27 +1,32 @@
 terraform {
  # https://www.terraform.io/downloads.html
- required_version = "1.2.8"
+ # See https://www.terraform.io/language/expressions/version-constraints#version-constraint-syntax
+ # = (or no operator): Allows only one exact version number. Cannot be combined with other conditions.
+ # !=: Excludes an exact version number.
+ # >, >=, <, <=: Comparisons against a specified version, allowing versions for which the comparison is true. "Greater-than" requests newer versions, and "less-than" requests older versions.
+ # ~>: Allows only the rightmost version component to increment. For example, to allow new patch releases within a specific minor release, use the full version number: ~> 1.0.4 will allow installation of 1.0.5 and 1.0.10 but not 1.1.0. This is usually called the pessimistic constraint operator.
+ required_version = "~> 1.2.0"
 
  required_providers {
  # https://registry.terraform.io/providers/hashicorp/aws/latest
  aws = {
  source = "hashicorp/aws"
- version = "=4.27.0"
+ version = "~> 4.27.0"
  }
  # https://registry.terraform.io/providers/hashicorp/azurerm/latest
  azurerm = {
  source = "hashicorp/azurerm"
- version = "=3.19.1"
+ version = "~> 3.19.0"
  }
  # https://registry.terraform.io/providers/hashicorp/google/latest
  google = {
  source = "hashicorp/google"
- version = "=4.33.0"
+ version = "~> 4.33.0"
  }
  # https://registry.terraform.io/providers/hashicorp/google-beta/latest
  google-beta = {
  source = "hashicorp/google-beta"
- version = "=4.33.0"
+ version = "~> 4.33.0"
  }
  }
 }