refactor: updated jquery and ui versions and deprecated use of defaultvalue

Author: RafaelJohn9

layouts/partials/footer.html

@@ -11,9 +11,8 @@
   <img src="{{ relURL "images/icons/chevron-up@2x.png" }}" width="20" height="20" alt="scroll-to-top"/>
 </a>
 
-<script src="{{ relURL "js/jquery-1.7.1.min.js" }}"></script>
-<script src="{{ relURL "js/jquery-ui-1.8.18.custom.min.js" }}"></script>
-<script src="{{ relURL "js/jquery.defaultvalue.js" }}"></script>
+<script src="{{ relURL "js/jquery-3.7.1.min.js" }}"></script>
+<script src="{{ relURL "js/jquery-ui-1.14.1.min.js" }}"></script>
 <script src="{{ relURL "js/session.min.js" }}"></script>
 {{ $js := resources.Get "js/application.js" | resources.ExecuteAsTemplate "js/application.js" . | resources.Minify | fingerprint }}
 <script src="{{ $js.RelPermalink }}"{{ if (hasPrefix .Site.BaseURL "https://") }} integrity="{{ $js.Data.Integrity }}"{{ end }}></script>