Update to actions/upload-artifact@v4 to fix deprecation failures (#160)

.github/workflows/godot-ci.yml

@@ -32,7 +32,7 @@ jobs:
           cd $PROJECT_PATH
           godot --headless --verbose --export-release "Windows Desktop" "$EXPORT_DIR/windows/$EXPORT_NAME.exe"
       - name: Upload Artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: windows
           path: build/windows
@@ -58,7 +58,7 @@ jobs:
           cd $PROJECT_PATH
           godot --headless --verbose --export-release "Linux" "$EXPORT_DIR/linux/$EXPORT_NAME.x86_64"
       - name: Upload Artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: linux
           path: build/linux
@@ -84,7 +84,7 @@ jobs:
           cd $PROJECT_PATH
           godot --headless --verbose --export-release "Web" "$EXPORT_DIR/web/index.html"
       - name: Upload Artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: web
           path: build/web
@@ -118,7 +118,7 @@ jobs:
           cd $PROJECT_PATH
           godot --headless --verbose --export-release "macOS" "$EXPORT_DIR/mac/$EXPORT_NAME.zip"
       - name: Upload Artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: mac
           path: build/mac