HBASE-25035 Add 2.2.6 to download page (#2405)

Signed-off-by: Viraj Jasani <vjasani@apache.org>
Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>

src/site/xdoc/downloads.xml

@@ -68,24 +68,24 @@ under the License.
     </tr>
     <tr>
       <td style="test-align: left">
-        2.2.5
+        2.2.6
       </td>
       <td style="test-align: left">
-        2020/05/21
+        2020/09/04
       </td>
       <td style="test-align: left">
-        <a href="https://downloads.apache.org/hbase/2.2.5/api_compare_2.2.5RC0_to_2.2.4.html">2.2.5 vs 2.2.4</a>
+        <a href="https://downloads.apache.org/hbase/2.2.6/api_compare_2.2.6RC2_to_2.2.5.html">2.2.6 vs 2.2.5</a>
       </td>
       <td style="test-align: left">
-        <a href="https://apache.org/dist/hbase/2.2.5/CHANGES.md">Changes</a>
+        <a href="https://apache.org/dist/hbase/2.2.6/CHANGES.md">Changes</a>
       </td>
       <td style="test-align: left">
-        <a href="https://apache.org/dist/hbase/2.2.5/RELEASENOTES.md">Release Notes</a>
+        <a href="https://apache.org/dist/hbase/2.2.6/RELEASENOTES.md">Release Notes</a>
       </td>
       <td style="test-align: left">
-        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.5/hbase-2.2.5-src.tar.gz">src</a> (<a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-src.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-src.tar.gz.asc">asc</a>) <br />
-        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.5/hbase-2.2.5-bin.tar.gz">bin</a> (<a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-bin.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-bin.tar.gz.asc">asc</a>) <br />
-        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.5/hbase-2.2.5-client-bin.tar.gz">client-bin</a> (<a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-client-bin.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.5/hbase-2.2.5-client-bin.tar.gz.asc">asc</a>)
+        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.6/hbase-2.2.6-src.tar.gz">src</a> (<a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-src.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-src.tar.gz.asc">asc</a>) <br />
+        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.6/hbase-2.2.6-bin.tar.gz">bin</a> (<a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-bin.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-bin.tar.gz.asc">asc</a>) <br />
+        <a href="https://www.apache.org/dyn/closer.lua/hbase/2.2.6/hbase-2.2.6-client-bin.tar.gz">client-bin</a> (<a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-client-bin.tar.gz.sha512">sha512</a> <a href="https://apache.org/dist/hbase/2.2.6/hbase-2.2.6-client-bin.tar.gz.asc">asc</a>)
       </td>
       <td><em>stable release</em></td>
     </tr>