fix: add required_version to json schema

[michaellzc]

Context

8b069eb added validation on the cdk.tf.json file. However, the schema is missing required_version in the terraform block

hence when running cdktf [deploy|plan|destroy] will result in the following error

0 Stacks deploying     0 Stacks done     0 Stacks waiting
1 validation issue(s)

  Issue #0: unrecognized_keys at terraform
  Unrecognized key(s) in object: 'required_version'

Note

There is another terraform json schema at https://sourcegraph.com/github.com/daniel-laszlo/terraform-cdk/-/blob/packages/@cdktf/hcl2cdk/lib/schema.ts?L22

I do not have any historical context on this project, but should there only be one?

Another note

required_version is not supported by cdktf natively yet (at least last time I check), we currently use the escape hatch in an aspect to add required_version in every stack

[hashicorp-cla]

All committers have signed the CLA.

[DanielMSchmidt]

Awesome, thanks for the help! I though I had everything covered in .nonstrict(), but I missed that one 🙈

[github-actions]

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