Build and release on aarch64 (WebAssembly#6334)

Fixes WebAssembly#6311

Author: DazWorrall

.github/workflows/create_release.yml

@@ -106,26 +106,34 @@ jobs:
   build-alpine:
     name: alpine
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        docker_platform: [amd64, arm64]
     steps:
     - uses: actions/setup-python@v1
       with:
         python-version: '3.x'
     - uses: actions/checkout@v1
       with:
         submodules: true
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+      if: matrix.docker_platform != 'amd64'
+
     - name: start docker
       run: |
-        docker run -w /src -dit --name alpine -v $PWD:/src node:lts-alpine
+        docker run -w /src -dit --platform=linux/${{ matrix.docker_platform }} --name alpine -v $PWD:/src node:lts-alpine
         echo 'docker exec alpine "$@";' > ./alpine.sh
         chmod +x ./alpine.sh
 
+
     - name: install packages
       run: |
         ./alpine.sh apk update
         ./alpine.sh apk add build-base cmake git python3 clang ninja py3-pip
 
     - name: install python dev dependencies
-      run: ./alpine.sh pip3 install -r requirements-dev.txt
+      run: ./alpine.sh pip3 install --break-system-packages -r requirements-dev.txt
 
     - name: cmake
       run: |
@@ -142,7 +150,8 @@ jobs:
       id: archive
       run: |
         VERSION=$GITHUB_REF_NAME
-        PKGNAME="binaryen-$VERSION-x86_64-linux"
+        ARCH=$(./alpine.sh uname -m)
+        PKGNAME="binaryen-$VERSION-$ARCH-linux"
         TARBALL=$PKGNAME.tar.gz
         SHASUM=$PKGNAME.tar.gz.sha256
         ./alpine.sh find install/ -type f -perm -u=x -exec strip {} +