Merge pull request OSGeo#13803 from rouault/sponsors_miramon

Sponsors: add Miramon/CREAF/UAB as bronze sponsor

Author: rouault

doc/images/sponsors/logo-miramon.png

@@ -72,6 +72,13 @@ Bronze
            :width: 150 px
            :target: https://www.linz.govt.nz
 
+    .. container:: horizontal-logo
+
+        .. image:: ../../images/sponsors/logo-miramon.png
+           :class: img-logos
+           :width: 150 px
+           :target: https://www.miramon.cat/Index_eng.htm
+
     .. container:: horizontal-logo
 
         .. image:: ../../images/sponsors/logo-sparkgeo.png