update My uploads header casing (#724)

src/views/studio/MyUploadsView/MyUploadsView.tsx

@@ -13,7 +13,7 @@ const MyUploadsView = () => {
 
   return (
     <UploadsContainer>
-      <StyledText variant="h2">My Uploads</StyledText>
+      <StyledText variant="h2">My uploads</StyledText>
       {isLoading ? (
         placeholderItems.map((Placeholder, idx) => <Placeholder key={`placeholder-${idx}`} />)
       ) : hasUploads ? (