add FOSS4G 2025 logo (#42)

Author: jmckenna

docs/img/foss4g-2025.png

@@ -9,7 +9,7 @@ title: pygeoapi - an OGC API to geospatial data
 <h4>pygeoapi is a Python server implementation of the <a href="https://ogcapi.ogc.org">OGC API suite of standards</a>. The project emerged as part of the next generation OGC API efforts in 2018 and provides the capability for organizations to deploy a RESTful OGC API endpoint using OpenAPI, GeoJSON, and HTML. pygeoapi is <a href="https://opensource.org">open source</a> and released under an <a href="https://github.com/geopython/pygeoapi/blob/master/LICENSE.md">MIT license</a>.
 
 <br/>
-<a title="Certified OGC Compliant" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="Certified OGC Compliant" src="https://portal.ogc.org/public_ogc/compliance/OGC_Certified_Badge.png" width="164" height="64"/></a> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-features-1 1.0&r=1&n=1)" width="164" height="64"/></a> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-edr-1 1.0.1&r=1&n=1" width="164" height="64"/> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-tiles-1%201.0&r=1&n=1" width="164" height="64"/></a>  <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-processes-1%201.0&n=1" width="164" height="64"/></a> <a title="OSGeo Project" href="https://www.osgeo.org/projects/pygeoapi"><img alt="OSGeo Project" src="https://raw.githubusercontent.com/OSGeo/osgeo/master/incubation/project/OSGeo_project.png" width="164" height="64"/></a><a title="FOSS4G Conference" href="https://2024.foss4g.org"><img alt="FOSS4G Conference" width="165" height="65" src="https://2024.foss4g.org/_next/static/media/foss4g-belem-logo-vertical.30d8343b.svg"/></a><a href="https://github.com/geopython/pygeoapi/wiki/Sponsorship"><img alt="Sponsorship" width="147" height="47" src="img/btn_donateCC_LG.gif"/></a>
+<a title="Certified OGC Compliant" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="Certified OGC Compliant" src="https://portal.ogc.org/public_ogc/compliance/OGC_Certified_Badge.png" width="164" height="64"/></a> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-features-1 1.0&r=1&n=1)" width="164" height="64"/></a> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-edr-1 1.0.1&r=1&n=1" width="164" height="64"/> <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-tiles-1%201.0&r=1&n=1" width="164" height="64"/></a>  <a title="OGC Reference Implementation" href="https://portal.ogc.org/public_ogc/compliance/product.php?pid=1840"><img alt="OGC Reference Implementation" src="https://portal.ogc.org/public_ogc/compliance/badge.php?s=ogcapi-processes-1%201.0&n=1" width="164" height="64"/></a> <a title="OSGeo Project" href="https://www.osgeo.org/projects/pygeoapi"><img alt="OSGeo Project" src="https://raw.githubusercontent.com/OSGeo/osgeo/master/incubation/project/OSGeo_project.png" width="164" height="64"/></a><a title="FOSS4G Conference" href="https://2025.foss4g.org"><img alt="FOSS4G Conference" width="220" height="51" src="img/foss4g-2025.png"/></a><a href="https://github.com/geopython/pygeoapi/wiki/Sponsorship"><img alt="Sponsorship" width="147" height="47" src="img/btn_donateCC_LG.gif"/></a>
 
 </h4>