chore(deps): update dependency carvel-dev/ytt to v0.51.1

Author: renovate[bot]

variations/Dockerfile.ytt

@@ -4,7 +4,7 @@ FROM ${PARENT}:${VERSION}
 ARG NAME
  # https://github.com/carvel-dev/ytt/releases
  # renovate: datasource=github-releases depName=carvel-dev/ytt
-ARG YTT_VERSION=v0.51.0
+ARG YTT_VERSION=v0.51.1
 ARG TARGETARCH
 ENV PLUGIN_NAME="${NAME}"
 USER 0