Update list of supported deb distributions

Debian: trixie is stable now, add forky (testing).
Ubuntu: add questing, retire oracular and focal.

Author: df7cb

templates/pages/download/linux/debian.html

@@ -36,10 +36,10 @@ <h2>PostgreSQL Apt Repository</h2>
 The PostgreSQL Apt repository supports the current versions of Debian:
 </p>
 <ul>
+  <li>trixie (13.x)</li>
   <li>bookworm (12.x)</li>
   <li>bullseye (11.x)</li>
-  <li>buster (10.x)</li>
-  <li>trixie (testing)</li>
+  <li>forky (testing)</li>
   <li>sid (unstable)</li>
 </ul>
 <p>

templates/pages/download/linux/ubuntu.html

@@ -36,11 +36,10 @@ <h2>PostgreSQL Apt Repository</h2>
 The PostgreSQL Apt repository supports the current versions of Ubuntu:
 </p>
 <ul>
+  <li>questing (25.10, non-LTS)</li>
   <li>plucky (25.04, non-LTS)</li>
-  <li>oracular (24.10, non-LTS)</li>
   <li>noble (24.04, LTS)</li>
   <li>jammy (22.04, LTS)</li>
-  <li>focal (20.04, LTS)</li>
 </ul>
 <p>
 on the following architectures: