chore(deps): update alpine/terragrunt docker tag to v1.9.8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
alpine/terragrunt		patch	1.9.5 -> 1.9.8
alpine/terragrunt	stage	patch	1.9.5 -> 1.9.8

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🦙 MegaLinter status: ⚠️ WARNING

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