Bump terraform-schema & hcl-lang

[dbanck]

This PR brings in the latest updates from terraform-schema and hcl-lang.

terraform-schema:

• schema: Enable interpolated map keys and object attribute names terraform-schema#316

hcl-lang:

• Support complex index expressions hcl-lang#365
• decoder: Add support for parenthesis on RHS hcl-lang#366
• decoder: Add support for parenthesis on LHS (map keys & attribute names) hcl-lang#367

[radeksimko]

Thanks for keeping it up to date!

[github-actions]

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