added ci

scripts/ci/prepare-minio.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Unmodified upstream source; never apply the sandbox adapter in hosted CI.
+set -euo pipefail
+output=${1:?Usage: prepare-minio.sh ABSOLUTE_OUTPUT_BINARY}
+work=$(mktemp -d)
+trap 'rm -rf "$work"' EXIT
+curl --fail --location --retry 3 --connect-timeout 20 --max-time 300 \
+  https://github.com/minio/minio/archive/refs/tags/RELEASE.2025-04-22T22-12-26Z.tar.gz \
+  --output "$work/minio.tar.gz"
+printf '%s  %s\n' 1a63209927b9d1fb239b2a776b7b01d1902eff19379a108f4bc7005edcc0968c "$work/minio.tar.gz" | sha256sum --check --strict
+tar --no-same-owner -xzf "$work/minio.tar.gz" -C "$work"
+cd "$work/minio-RELEASE.2025-04-22T22-12-26Z"
+mkdir -p "$(dirname "$output")"
+GOTOOLCHAIN=local go build -mod=readonly -p 2 -o "$output" .
+"$output" --version