[8.19] Standardize image artifacts name (#17757)

Standardize the arch in image artifact name to amd64 (instead of x86_64), and arm64 (instead of aarch64)

Author: kaisecheng

.buildkite/scripts/dra/build_docker.sh

@@ -45,7 +45,7 @@ for file in build/logstash-*; do shasum $file;done
 info "Uploading DRA artifacts in buildkite's artifact store ..."
 # Note the deb, rpm tar.gz AARCH64 files generated has already been loaded by the build_packages.sh
 images="logstash logstash-oss logstash-wolfi"
-if [ "$ARCH" != "aarch64" ]; then
+if [ "$ARCH" != "arm64" ]; then
     # No logstash-ubi8 for AARCH64
     images="logstash logstash-oss logstash-wolfi logstash-ubi8"
 fi

.buildkite/scripts/dra/common.sh

@@ -11,7 +11,7 @@ function save_docker_tarballs {
     local arch="${1:?architecture required}"
     local version="${2:?stack-version required}"
     local images="logstash logstash-oss logstash-wolfi"
-    if [ "${arch}" != "aarch64" ]; then
+    if [ "${arch}" != "arm64" ]; then
         # No logstash-ubi8 for AARCH64
         images="logstash logstash-oss logstash-wolfi logstash-ubi8"
     fi

.buildkite/scripts/dra/publish.sh

@@ -47,7 +47,7 @@ fi
 # See https://github.com/elastic/infra/blob/master/cd/release/release-manager/project-configs/8.5/logstash.gradle
 # for more details.
 # TODO filter it out when uploading artifacts instead
-rm -f build/logstash-ubi8-${STACK_VERSION}-docker-image-aarch64.tar.gz
+rm -f build/logstash-ubi8-${STACK_VERSION}-docker-image-arm64.tar.gz
 
 info "Downloaded ARTIFACTS sha report"
 for file in build/logstash-*; do shasum $file;done