Update footer for 2025 (#202)

Author: francesco-ballarin

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - run: sudo apt-get install -y ruby-bundler
         name: Install prerequisites
       - uses: actions/checkout@v4
-      - run: bundle install
+      - run: sudo bundle install
         name: Install bundle
       - run: bundle exec jekyll build
         name: Build website

_includes/_footer.html

@@ -1,6 +1,6 @@
 <!-- FOOTER  -->
 <div id="footer_wrap" class="outer">
   <footer class="inner">
-    &copy; FEniCS Project 2024. Changes to this website can be made/suggested on <a href='https://github.com/FEniCS/web'>GitHub</a>.
+    &copy; FEniCS Project 2025. Changes to this website can be made/suggested on <a href='https://github.com/FEniCS/web'>GitHub</a>.
   </footer>
 </div>