docs: add Optimadata to the list of CNPG support companies (#258)

Add Optimadata to the list of parties that provide commercial support for
CloudnativePG.

Signed off by Thomas Spoelstra <[email protected]> 0444333

Author: gbartolini

support/index.html

@@ -185,7 +185,7 @@ <h2 class="text-xl mt-6">Commercial Support</h2>
     <hr>
 
     <a href="https://www.optimadata.nl/cloudnativepg">
-        <img src="logo/optimadata.svg" alt="Optimadata" class="py-4" />
+        <img src="logo/OptimaData.svg" alt="Optimadata" class="py-4" />
     </a>