ci: remove pages workflow, fix release version-bump for astro site

site/src/components/Footer.astro

@@ -1,5 +1,5 @@
 ---
-import { DOCS_URL, GITHUB_URL } from "../consts";
+import { DOCS_URL, GITHUB_URL, VERSION } from "../consts";
 const year = new Date().getFullYear();
 ---
 <footer class="mt-auto border-t border-line bg-mantle">
@@ -9,6 +9,6 @@ const year = new Date().getFullYear();
       <a href="https://crates.io/crates/termscp" class="hover:text-text">crates.io</a>
       <a href={DOCS_URL} class="hover:text-text">User manual</a>
     </div>
-    <p>© {year} Christian Visintin · Released under the MIT license.</p>
+    <p>termscp v{VERSION} · © {year} Christian Visintin · Released under the MIT license.</p>
   </div>
 </footer>