Merge pull request #280 from plotly/feb-2024-webinar-ad

Change sidebar ad to Feb 2024 webinar

Author: red-patience

_includes/layouts/webinar_plug.html

@@ -1,5 +1,5 @@
 
-    <a href="https://plotly.com/careers/?utm_medium=graphing_libraries&utm_content=sidebar" target="_blank">
-      <img src="https://images.prismic.io/plotly-marketing-website/a9ba884c-ee2c-40f9-9c39-809ea1b5aac7_dash_doc_banner_career-01+%281%29.jpg?auto=compress,format"
-      style="width: 200px; height: 200px; position: fixed; bottom: 10px; left: 50px" alt="View all the positions that Plotly is hiring for!">
+    <a href="https://go.plotly.com/supply-chain-operations?utm_source=&utm_medium=graphing_libraries&utm_content=sidebar" target="_blank">
+      <img src="https://images.prismic.io/plotly-marketing-website-2/8325c215-d896-4352-9913-8307a081b0dd_NISCI%2BSupply_Chain%2BSquare.jpg?auto=compress,format"
+      style="width: 200px; height: 200px; position: fixed; bottom: 10px; left: 50px" alt="Register for the upcoming webinar: Optimize Supply Chain Operations with Dash Enterprise">
     </a>