Dockerfile: update gotestsum to v1.7.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Dockerfile.windows

@@ -167,7 +167,7 @@ SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPref
 
 ARG GO_VERSION=1.17.0
 ARG CONTAINERD_VERSION=1.5.5
-ARG GOTESTSUM_VERSION=v0.5.3
+ARG GOTESTSUM_VERSION=v1.7.0
 
 # Environment variable notes:
 #  - GO_VERSION must be consistent with 'Dockerfile' used by Linux.

hack/dockerfile/install/gotestsum.installer

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-: ${GOTESTSUM_VERSION:=v0.5.3}
+: ${GOTESTSUM_VERSION:=v1.7.0}
 
 install_gotestsum() (
 	set -e