Force blog timestamps to be in UTC (#2373)

Fixes an issue where timestamps rendered different dates depending on
the user's location:

<img width="695" height="359" alt="Screenshot 2026-04-01 at 12 49 32 PM"
src="https://github.com/user-attachments/assets/1b029ffa-a452-4bf8-ac84-d95f15e7b02c"
/>
<img width="695" height="2400" alt="image"
src="https://github.com/user-attachments/assets/e3882000-b075-49da-8e02-6ae976590d15"
/>

Author: bignimbus

src/app/(main)/resources/blog-post-list-item.tsx

@@ -23,6 +23,7 @@ export function BlogPostListItem({
       day: "2-digit",
       month: "2-digit",
       year: "numeric",
+      timeZone: "UTC",
     })
     .replaceAll("/", "-")
 

src/components/blog-page/blog-card.tsx

@@ -95,6 +95,7 @@ export function BlogCardFooterContent({
           month: "long",
           day: "numeric",
           year: "numeric",
+          timeZone: "UTC",
         })}
       </time>
     </span>

src/pages/blog/_meta.tsx

@@ -44,6 +44,7 @@ export default {
                   month: "long",
                   day: "numeric",
                   year: "numeric",
+                  timeZone: "UTC",
                 })}
               </time>
             </div>