Update call to action in dashplug.html

Author: LiamConnors

_includes/layouts/dashplug.html

@@ -1,5 +1,5 @@
 <div class="dash-plug">
-  <p>Plotly Studio: Transform any dataset into an interactive data application in minutes with AI. <a href="https://plotly.com/studio/?utm_medium=graphing_libraries&utm_campaign=studio_early_access&utm_content=sidebar">Sign up for early access now.</a>
+  <p>Plotly Studio: Transform any dataset into an interactive data application in minutes with AI. <a href="https://plotly.com/studio/?utm_medium=graphing_libraries&utm_campaign=studio_early_access&utm_content=sidebar">Try Plotly Studio now.</a>
   </p>
 </div>