Update welcome_widget.py

Update to Video Annotation Tool

Author: woshimajintao

annotation_tool/ui/common/welcome_widget.py

@@ -24,7 +24,7 @@ def __init__(self, parent=None):
         title_layout.setAlignment(Qt.AlignmentFlag.AlignHCenter)
         title_layout.setSpacing(15) 
 
-        title = QLabel("SoccerNetPro Annotation Tool")
+        title = QLabel("Video Annotation Tool")
         title.setObjectName("welcome_title_lbl")
 
         self.logo_lbl = QLabel()