Update documentation

https://github.com/pmd/pmd/actions/runs/2559874517
07eb3d2d80...a5006f6383

pmd_release_notes.html

@@ -174,7 +174,7 @@
 
 
 <ul id="mysidebar" class="nav">
-    <li class="sidebarTitle">PMD 6.47.0-SNAPSHOT</li>
+    <li class="sidebarTitle">PMD 6.47.0</li>
     <div class="sidebarTitleDate">Release date: 25-June-2022</div>
     
     
@@ -1512,14 +1512,12 @@
    
     <div id="inline-toc"><!-- empty, move TOC here when screen size too small --></div>
     
-  <h2 id="25-june-2022---6470-snapshot">25-June-2022 - 6.47.0-SNAPSHOT</h2>
+  <h2 id="25-june-2022---6470">25-June-2022 - 6.47.0</h2>
 
-<p>The PMD team is pleased to announce PMD 6.47.0-SNAPSHOT.</p>
+<p>The PMD team is pleased to announce PMD 6.47.0.</p>
 
 <p>This is a minor release.</p>
 
-<h3 id="new-and-noteworthy">New and noteworthy</h3>
-
 <h3 id="fixed-issues">Fixed Issues</h3>
 <ul>
   <li>core
@@ -1555,6 +1553,8 @@
 
 <h3 id="api-changes">API Changes</h3>
 
+<p>No changes.</p>
+
 <h3 id="external-contributions">External Contributions</h3>
 <ul>
   <li><a href="https://github.com/pmd/pmd/pull/3985">#3985</a>: [java] Fix false negative problem about Enum in AvoidFieldNameMatchingMethodName #3936 - <a href="https://github.com/Scrsloota">@Scrsloota</a></li>
@@ -1565,6 +1565,13 @@
   <li><a href="https://github.com/pmd/pmd/pull/4010">#4010</a>: [core] Bump kotlin to version 1.7.0 - <a href="https://github.com/maikelsteneker">@maikelsteneker</a></li>
 </ul>
 
+<h3 id="stats">Stats</h3>
+<ul>
+  <li>45 commits</li>
+  <li>23 closed tickets &amp; PRs</li>
+  <li>Days since last release: 27</li>
+</ul>
+
 
 
     <div class="tags">
@@ -1596,7 +1603,7 @@
         <div class="col-lg-12 footer">
             &copy;2022 PMD Open Source Project. All rights
             reserved. <br />
-             Site last generated: Jun 24, 2022 <br />
+             Site last generated: Jun 25, 2022 <br />
             <p>
                 <img src="images/pmd-logo-small.png" alt="Company
                 logo"/>