Dockerfile: bump gotest.tools/gotestsum v1.12.3 (for go1.25)

full diff: gotestyourself/gotestsum@v1.12.0...v1.12.3

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

Author: thaJeztah

Dockerfile

@@ -7,7 +7,10 @@ ARG BASE_DEBIAN_DISTRO=bookworm
 ARG GO_VERSION=1.24.5
 ARG XX_VERSION=1.6.1
 ARG GOVERSIONINFO_VERSION=v1.4.1
-ARG GOTESTSUM_VERSION=v1.12.0
+
+# GOTESTSUM_VERSION sets the version of gotestsum to install in the dev container.
+# It must be a valid tag in the https://github.com/gotestyourself/gotestsum repository.
+ARG GOTESTSUM_VERSION=v1.12.3
 
 # BUILDX_VERSION sets the version of buildx to use for the e2e tests.
 # It must be a tag in the docker.io/docker/buildx-bin image repository

dockerfiles/Dockerfile.dev

@@ -22,7 +22,9 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     && gofumpt --version
 
 FROM golang AS gotestsum
-ARG GOTESTSUM_VERSION=v1.12.0
+# GOTESTSUM_VERSION sets the version of gotestsum to install in the dev container.
+# It must be a valid tag in the https://github.com/gotestyourself/gotestsum repository.
+ARG GOTESTSUM_VERSION=v1.12.3
 RUN --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=cache,target=/go/pkg/mod \
     --mount=type=tmpfs,target=/go/src/ \