Fix GitHub Actions workflow

Author: yuqi20000915

.github/workflows/build.yml

@@ -10,17 +10,28 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - name: Build with Buildozer
-      uses: ArtemSBulgakov/buildozer-action@v1
-      id: buildozer
+    - name: Set up Python
+      uses: actions/setup-python@v5
       with:
-        command: buildozer android debug
-        buildozer_version: stable
+        python-version: '3.11'
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y git zip unzip openjdk-17-jdk wget
+        pip install --upgrade pip
+        pip install buildozer cython
+
+    - name: Build with Buildozer
+      run: |
+        buildozer android debug
+      env:
+        ANDROID_SDK_ROOT: /usr/local/lib/android/sdk
 
     - name: Upload APK
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: calculator-apk
         path: bin/*.apk