Update Grails version links to 7.0.0-RC2

Author: jamesfredley

pages/index.html

@@ -17,8 +17,8 @@ <h2>
             <div class="calltoaction">
                 <b>Read the docs</b>
                 <h2>
-                    <a href="https://docs.grails.org/7.0.0-RC1/">Documentation
-                        <span class="version">7.0.0-RC1</span>
+                    <a href="https://docs.grails.org/7.0.0-RC2/">Documentation
+                        <span class="version">7.0.0-RC2</span>
                     </a>
                 </h2>
                 <br>
@@ -32,8 +32,8 @@ <h2>
             <div class="calltoaction">
                 <b>Get the latest version</b>
                 <h2>
-                    <a href="https://www.apache.org/dyn/closer.lua/incubator/grails/core/7.0.0-RC1/distribution/apache-grails-7.0.0-RC1-incubating-bin.zip?action=download">Download
-                        <span class="version">7.0.0-RC1</span>
+                    <a href="https://www.apache.org/dyn/closer.lua/incubator/grails/core/7.0.0-RC2/distribution/apache-grails-7.0.0-RC2-incubating-bin.zip?action=download">Download
+                        <span class="version">7.0.0-RC2</span>
                     </a>
                 </h2>
                 <br>