ci(build-target): ✨ Added the multiple platforms compiling

 - Added the compiling matrix that can used on Linux (x86_64), macOS (x86_64, arm64) and Windows (x86_64, i686)

 - Changed the default version on `workflow_dispatch` to `v1.93.0-0`

 - Updated the head and command comment

Author: zhangxuan2011

.github/workflows/build-toolchain.yml

@@ -4,10 +4,15 @@
 # It will also built-in an install script, which can scan it as a rustup toolchain, so
 # that we can manage them easily.
 #
-# If we can, we will add multiple platform support (e.g. Windows, macOS, Linux)
-# so that you can do cross-compile by using this toolchain.
-# 
-# Workflow file by "zhangxuan2011 <zx20110412@outlook.com>"
+# Also, we added multiple platform support, so that
+# you can do cross-compile on different platforms by using this toolchain.
+#
+# Supported Platforms:
+# - Windows (x86_64, i686)
+# - macOS (x86_64, aarch64)
+# - Linux (x86_64)
+#
+# This workflow file was written by "zhangxuan2011 <zx20110412@outlook.com>"
 
 ---
 
@@ -22,7 +27,7 @@ on:
       version:
         description: "The version to release, which must start with `v`"
         required: true
-        default: "v1.93.0-rust9x"
+        default: "v1.93.0-0"
 
 permissions:
   contents: write
@@ -32,23 +37,36 @@ env:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: windows-latest
     strategy:
       fail-fast: false
       matrix:
         include:
           # Windows, x86_64
-          - os: windows-latest
-            arch: x64
+          - arch: x64
             target: x86_64-pc-windows-msvc
             target_short: x86_64-windows
 
           # Windows, i686
-          - os: windows-latest
-            arch: x86
+          - arch: x86
             target: i686-pc-windows-msvc
             target_short: i686-windows
 
+          # Linux, x86_64
+          - arch: x64
+            target: x86_64-unknown-linux-gnu
+            target_short: x86_64-linux
+
+          # macOS, x86_64 (Intel)
+          - arch: x64
+            target: x86_64-apple-darwin
+            target_short: x86_64-macos
+
+          # macOS, aarch64 (Apple Silicon)
+          - arch: arm64
+            target: aarch64-apple-darwin
+            target_short: aarch64-macos
+
     defaults:
       run:
         shell: cmd
@@ -73,15 +91,15 @@ jobs:
           set GITHUB_ACTIONS=
 
           :: Build & install in dist/rust9x
-          python x.py install --config bootstrap.rust9x.toml --stage 2
+          python x.py install --config bootstrap.rust9x.toml --set build.host=${{ matrix.target }} --stage 2
           if %errorlevel% neq 0 exit /b 1
 
       - name: Pack toolchain
         run: |
           set VERSION=${{ github.ref_name }}
           set ARCHIVE_NAME=rust9x-toolchain-%VERSION%-${{ matrix.target_short }}.tar.gz
 
-          :: Pack everything inside build
+          :: Pack everything inside dist/rust9x
           tar -czvf "%ARCHIVE_NAME%" -C dist/rust9x .
 
       - name: Upload to release