Update earth-day-2024.mdx

Author: sonnynomnom

blogs/earth-day-2024.mdx

@@ -36,8 +36,8 @@ Not only do we want to build a world-class product that provides the best tech e
 
 While our home is beautiful, it's our job to keep it that way.
 
-![Testimonials](https://imgur.com/ZgRa50L.png)
-<div style={{textAlign: "center"}}>{"(Made the team's month! 🫶 🫶 🫶)"}</div>
+![Certificate](https://i.imgur.com/K2xjKgh.png)
+<div style={{textAlign: "center"}}>{"(Certificate! 🫶 🫶 🫶)"}</div>
 
 #### But... aren't you an early-stage startup?