Update linux arm64 to 3.1.47 (#1288)

emscripten-releases-tags.json

@@ -2,7 +2,7 @@
   "aliases": {
     "latest": "3.1.47",
     "latest-sdk": "latest",
-    "latest-arm64-linux": "3.1.45",
+    "latest-arm64-linux": "3.1.47",
     "latest-64bit": "latest",
     "sdk-latest-64bit": "latest",
     "latest-upstream": "latest",

scripts/update_linux_arm64.sh

@@ -16,9 +16,7 @@ VERSION=$1
 SHA=$(jq -r ".releases.\"${VERSION}\"" emscripten-releases-tags.json)
 URL=$(jq -r '.Records[0] | "https://\(.s3.bucket.name).s3.\(.awsRegion).amazonaws.com/\(.s3.object.key)"')
 
-wget $URL -O arm64.tbz2
-tar xf arm64.tbz2
-tar --use-compress-program "xz -T0" -cf arm64.tar.xz install/
+wget $URL -O arm64.tar.xz
 gsutil cp -n arm64.tar.xz gs://webassembly/emscripten-releases-builds/linux/${SHA}/wasm-binaries-arm64.tar.xz
 sed -i "s/\"latest-arm64-linux\": \".*\"/\"latest-arm64-linux\": \"$VERSION\"/" emscripten-releases-tags.json