fix: update Tag component size variants for consistency

src/components/BlogPost.astro

@@ -43,7 +43,7 @@ const { title, description, date, tags } = Astro.props;
     {
       tags?.map((tag) => (
         <li>
-          <Tag name={tag} />
+          <Tag name={tag} variant="small" />
         </li>
       ))
     }

src/components/Tag.astro

@@ -9,7 +9,7 @@ interface Props {
 const { name, count, href, variant = "default" } = Astro.props;
 const linkHref = href || `/tags/${name}`;
 const isSmall = variant === "small";
-const textSize = isSmall ? "text-xs" : "text-sm";
+const textSize = isSmall ? "text-sm" : "text-base";
 ---
 
 <a href={linkHref}>