Update src/components/Codeblock.tsx

Using token as per design system.

Co-authored-by: Paul Wackerow <[email protected]>

Author: sandeepV2

src/components/Codeblock.tsx

@@ -276,7 +276,7 @@ const Codeblock = ({
               style={style}
               className={className}
               pt={hasTopBar ? "2.75rem" : 6}
-              pb={"1.5rem"}
+              pb={6}
               ps={4}
               m={0}
               overflow="visible"