Extend Rise25 nomination deadline [#14200] (#14369)

bedrock/mozorg/templates/mozorg/rise25/landing.html

@@ -39,7 +39,7 @@
       dedicated to supporting responsible AI initiatives that benefit humanity. Know
       an innovator making a difference with AI?</p>
     <div class="r25-hero-cta">
-      <strong class="r25-hero-notice">Call for nominees closes on<br> <time datetime="2024-03-29">March 29, 2024</time></strong>
+      <strong class="r25-hero-notice">Call for nominees extended to<br> <time datetime="2024-04-12">April 12, 2024</time></strong>
 
       <a href="#nominate" class="r25-c-button t-fancy">Nominate <span>someone</span></a>