Merge branch 'hotfix/update-copyright-year' into hotfix/21.3.4

Author: cslzchen

src/main/resources/messages.properties

@@ -516,7 +516,7 @@ cas.login.resources.osf.donate=Donate
 #
 # Footer
 #
-copyright.cos=<span style="white-space: nowrap">Copyright &copy; 2011 &ndash; 2021</span>&#160;\
+copyright.cos=<span style="white-space: nowrap">Copyright &copy; 2011 &ndash; {0}</span>&#160;\
   <a style="white-space: nowrap" href="https://cos.io">Center for Open Science</a> &#124;&#160;\
   <a style="white-space: nowrap" href="https://github.com/CenterForOpenScience/centerforopenscience.org/blob/master/TERMS_OF_USE.md">Terms of Use</a>&#160;&#124;&#160;\
   <a style="white-space: nowrap" href="https://github.com/CenterForOpenScience/centerforopenscience.org/blob/master/PRIVACY_POLICY.md">Privacy Policy</a>&#160;&#124;&#160;\

src/main/resources/templates/fragments/footer.html

@@ -1,3 +1,7 @@
 <footer class="py-4 d-flex justify-content-center cas-footer cas-footer-osf">
-    <span id="copyright" th:utext="#{copyright.cos}" class="mr-2 d-inline-block copyright"></span>
+    <span id="copyright-2"
+          th:with="year=${#dates.year(#dates.createNow())}"
+          th:utext="#{copyright.cos(${year.toString()})}"
+          class="mr-2 d-inline-block copyright">
+    </span>
 </footer>