Update dependency gruntwork-io/terragrunt to v0.63.4

This MR contains the following updates:

Package	Type	Update	Change
gruntwork-io/terragrunt		patch	v0.63.3 -> v0.63.4
gruntwork-io/terragrunt	ironbank-github	patch	v0.63.3 -> v0.63.4

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Release Notes

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

v0.63.4

Compare Source

What's Changed

• 3274 - fix: Include nothing when value for terragrunt-include-dir doesn't exist on the filesystem by @​yhakbar in https://github.com/gruntwork-io/terragrunt/pull/3286

Full Changelog: https://github.com/gruntwork-io/terragrunt/compare/v0.63.3...v0.63.4

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