newsletter title semibold

src/components/NewsLetter/NewsLetter.jsx

           color: "black"
         }}>
 
-          <Typography variant='h4' sx={{fontWeight:"bold", fontSize:"1.8rem !important", pb:2}}>
+          <Typography variant='h4' sx={{fontWeight:"500", fontSize:"1.8rem !important", pb:2}}>
             Let's stay in touch
           </Typography>
           <Typography variant='body1'>