Update copyright year and add Umami scrypt

Author: pauloxnet

index.html

@@ -32,6 +32,7 @@
     <link rel="canonical" href="https://pescara.python.it" />
     <link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🐬</text></svg>">
     <link rel="stylesheet" href="css/pico.min.2.0.6.1.css" />
+    <script defer src="https://cloud.umami.is/script.js" data-website-id="04990c3f-8bee-4fe5-82a2-f5786067ce80"></script>
     <script type="application/ld+json">
       {
         "@context": "http://schema.org",
@@ -187,7 +188,7 @@ <h2 id="partners">Partners</h2>
       </div>
     </main>
     <footer>
-      &copy; 2023-2024 Python&nbsp;Pescara
+      &copy; 2023, Python&nbsp;Pescara
     </footer>
   </body>
 </html>