fix workflow

Author: qno

.github/workflows/build-plugin.yml

@@ -40,10 +40,10 @@ jobs:
       matrix:
         platform: [win-x64, lin-x64]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         id: plugin-version-cache
         with:
           path: plugin.json
@@ -54,7 +54,7 @@ jobs:
           pushd ${{ env.rack-plugin-toolchain-dir }}
           make plugin-build-${{ matrix.platform }}
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: ${{ env.rack-plugin-toolchain-dir }}/plugin-build
           name: ${{ matrix.platform }}
@@ -68,7 +68,7 @@ jobs:
       matrix:
         platform: [x64, arm64]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: actions/cache@v4
@@ -79,7 +79,7 @@ jobs:
       - name: Get Rack-SDK
         run: |
           pushd $HOME
-          wget -O Rack-SDK.zip https://vcvrack.com/downloads/Rack-SDK-${{ env.rack-sdk-version }}-mac-${{ matrix.platform }}.zip
+          wget -O Rack-SDK.zip https://vcvrack.com/downloads/Rack-SDK-${{ env.rack-sdk-version }}-mac-x64+arm64.zip
           unzip Rack-SDK.zip
       - name: Build plugin
         run: |