fix: update announcement links and text to reflect HDSP GitHub organization

Author: LauraCD2

src/components/widgets/Announcement.astro

@@ -7,17 +7,21 @@
 >
   <span
     class="dark:bg-slate-700 bg-white/40 dark:text-slate-300 font-semibold px-1 py-0.5 text-xs mr-0.5 rtl:mr-0 rtl:ml-0.5 inline-block"
-    >NEW</span
+    >HDSP</span
   >
-  <a href="https://astro.build/blog/astro-5120/" class="text-muted hover:underline dark:text-slate-400 font-medium"
-    >Astro v5.12 is now available! »</a
+  <a
+    href="https://github.com/hdspgroup"
+    target="_blank"
+    rel="noopener noreferrer"
+    class="text-muted hover:underline dark:text-slate-400 font-medium"
+    >Visit the HDSP GitHub organization &raquo;</a
   >
   <a
     target="_blank"
-    rel="noopener"
-    class="ltr:ml-auto rtl:mr-auto w-[5.6rem] h-[1.25rem] ml-auto bg-contain inline-block bg-[url(https://img.shields.io/github/stars/arthelokyo/astrowind.svg?style=social&label=Stars&maxAge=86400)]"
-    title="If you like AstroWind, give us a star."
-    href="https://github.com/arthelokyo/astrowind"
+    rel="noopener noreferrer"
+    class="ltr:ml-auto rtl:mr-auto w-[6.8rem] h-[1.25rem] ml-auto bg-contain inline-block bg-[url(https://img.shields.io/github/followers/hdspgroup.svg?style=social&label=GitHub&maxAge=86400)]"
+    title="Open the HDSP GitHub organization."
+    href="https://github.com/hdspgroup"
   >
   </a>
 </div>