feat: support target=x86_64_v3 for more vectorization

Author: wdconinc

containers/debian/Dockerfile

@@ -226,7 +226,13 @@ EOF
 ARG jobs=1
 RUN <<EOF
 set -e
-declare -A target=(["linux/amd64"]="x86_64_v2" ["linux/arm64"]="aarch64")
+declare -A target=(
+  ["linux/amd64"]="x86_64_v2"
+  ["linux/amd64/v2"]="x86_64_v2"
+  ["linux/amd64/v3"]="x86_64_v3"
+  ["linux/amd64/v4"]="x86_64_v4"
+  ["linux/arm64"]="aarch64"
+)
 target=${target[${TARGETPLATFORM}]}
 spack config --scope site add "packages:all:require:[target=${target}]"
 spack config --scope site add "packages:all:target:[${target}]"