Update public/demos.html, public/portfolio-details.html

public/demos.html

@@ -71,7 +71,7 @@
         <div id="TextBorder" class="col-lg-5 col-md-5 col-sm-5">
           <a href="index.html" class="logo d-flex align-items-center">
             <img
-              src="https://www.hft-stuttgart.de/typo3conf/ext/hft_sitepackage/Resources/Public/img/HFT_logo.svg"
+              src="https://www.hft-stuttgart.de/assets/hft_sitepackage/img/logo-HFT-Stuttgart-2025.svg"
               alt=""
             />
             <span id="citydemText">City Demonstrator</span>
@@ -256,7 +256,7 @@
                 class="logo d-flex align-items-center"
               >
                 <img
-                  src="https://www.hft-stuttgart.de/typo3conf/ext/hft_sitepackage/Resources/Public/img/HFT_logo.svg "
+                  src="https://www.hft-stuttgart.de/assets/hft_sitepackage/img/logo-HFT-Stuttgart-2025.svg "
                   alt=" "
                 />
                 <span>City Demonstrator</span>