chore(deps): update dependency gruntwork-io/terragrunt to v0.68.9

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
gruntwork-io/terragrunt	patch	v0.68.8 -> v0.68.9

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Release Notes

gruntwork-io/terragrunt (gruntwork-io/terragrunt)

### [`v0.68.9`](https://redirect.github.com/gruntwork-io/terragrunt/releases/tag/v0.68.9) [Compare Source](https://redirect.github.com/gruntwork-io/terragrunt/compare/v0.68.8...v0.68.9) #### Updated CLI args, config attributes and blocks - `--feature` - `feature` - `TERRAGRUNT_FEATURE` #### What's Changed - Introduced a new HCL block and additional CLI options to enable feature flag management - Updated `otlptracegrpc` dependency from 1.23.0 to 1.31.0 #### Related links - [https://github.com/gruntwork-io/terragrunt/pull/3513](https://redirect.github.com/gruntwork-io/terragrunt/pull/3513) - [https://github.com/gruntwork-io/terragrunt/pull/3516](https://redirect.github.com/gruntwork-io/terragrunt/pull/3516)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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