[patch, wwwdocs, committed] Update mail links and dates for GCC 12 and GCC 13 status

[Thomas Koenig via Gcc-patches]

Hi,

I just pushed the attached patch to update the mail links and dates for
GCC 12 and GCC 13, as simple and obvious.

Regards

        Thomas
diff --git a/htdocs/index.html b/htdocs/index.html
index 199181b1..e1bb584e 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -172,7 +172,7 @@ More news? Let ger...@pfeifer.com know!
 </dt><dd>
   Status:
   <!--GCC 12 status below-->
-  <a href="https://gcc.gnu.org/pipermail/gcc/2022-April/238491.html";>2022-04-04</a>
+  <a href="https://gcc.gnu.org/pipermail/gcc/2022-April/238617.html";>2022-04-28</a>
   <!--GCC 12 status above-->
   (frozen for release). 
   <div class="regress">
@@ -244,7 +244,7 @@ More news? Let ger...@pfeifer.com know!
 </dt><dd>
   Status:
   <!--GCC 13 status below-->
-  <a href="https://gcc.gnu.org/pipermail/gcc/2022-April/238491.html";>2022-04-04</a>
+  <a href="https://gcc.gnu.org/pipermail/gcc/2022-April/238619.html";>2022-04-28</a>
   <!--GCC 13 status above-->
   (general development).
   <div class="regress">