deps: Bump terraform version to 1.13.3

[elastic-observability-automation]

deps: Bump terraform version

deps(terraform): Bump terraform version to 1.13.3

1 file(s) updated with "1.13.3\n": * tests/terraform/version/.terraform-version

1.13.3

Release published on the 2025-09-17 13:40:26 +0000 UTC at the url https://github.com/hashicorp/terraform/releases/tag/v1.13.3

## 1.13.3 (September 17, 2025)


BUG FIXES:

* variable validation: keep sensitive and ephemeral metadata when evaluating variable conditions. ([#37595](https://github.com/hashicorp/terraform/issues/37595))

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