Bumped versions of deprecated actions

.github/workflows/build.yaml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup flutter
         uses: subosito/flutter-action@v2
@@ -49,7 +49,7 @@ jobs:
 
       - name: Setup Java
         if: matrix.os == 'android'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: "temurin"
           java-version: "11"
@@ -76,9 +76,9 @@ jobs:
         working-directory: ${{ matrix.os }}
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: tmail-dev
+          name: tmail-dev-${{ matrix.os }}
           path: |
             build/app/outputs/flutter-apk/app-debug.apk
             ios/Runner.ipa