chore(deps): update dependency gruntwork-io/terragrunt to v0.81.0 (terragrunt/dockerfile)

Author: IK Renovate Bot

terragrunt/Dockerfile

@@ -33,7 +33,7 @@ RUN apk update && apk add -Uuv --no-cache --update \
   && ln -sv /usr/bin/python3 /usr/bin/python
 
 # renovate: datasource=github-releases depName=gruntwork-io/terragrunt
-ENV TERRAGRUNT_VERSION=0.58.12
+ENV TERRAGRUNT_VERSION=0.81.0
 
 ADD https://github.com/gruntwork-io/terragrunt/releases/download/v${TERRAGRUNT_VERSION}/terragrunt_linux_amd64 /usr/bin/terragrunt