fix typo mistake^^'

app.py

@@ -19,7 +19,7 @@ image_url = st.text_input(
 	value="https://dl.fbaipublicfiles.com/dino/img.png",
 	placeholder="https://your-favourite-image.png"
 )
-uploaded_files = st.file_uploader("or an image file", type =["jpg","jpeg"])
+uploaded_file = st.file_uploader("or an image file", type =["jpg","jpeg"])
 
 # Outputs
 st.title("Original Image from URL")