chore(release) fix MacOS releases

- New homebrew + python dependencies commands recommended by Homebrew.
- Update Wasmtime asset link to use 'aarch64' instead of 'arm64'.

.github/workflows/release.yml

@@ -3,8 +3,8 @@ name: Release
 on:
   schedule:
     - cron: "0 6 * * mon" # 6am UTC, 11pm PST
-  #pull_request:
-  #  branches: '**'
+  pull_request:
+    branches: '**'
   workflow_dispatch:
     inputs:
       release_version:
@@ -406,7 +406,9 @@ jobs:
       - name: Setup dependencies
         run: |
           brew install ninja openssh
-          pip3 install --upgrade setuptools
+          python3 -m venv .python3_venv
+          source .python3_venv/bin/activate
+          python3 -m pip install setuptools
       - name: Build binary
         run: ./util/release.sh ${{ needs.setup.outputs.release_name }} --bin
         env:

util/runtimes/wasmtime.sh

@@ -23,6 +23,10 @@ download_wasmtime() {
     local arch="$3"
     local clean="$4"
 
+    case "$arch" in
+        arm64) arch="aarch64" ;;
+    esac
+
     case $OSTYPE in
         linux*)  os="linux";;
         darwin*) os="macos";;