Use SVG logos for deploy preview (#2443)

Signed-off-by: Florian Hotze <florianh_dev@icloud.com>

Author: florian-h05

.vuepress/config.ts

@@ -43,7 +43,7 @@ const config: UserConfig<DefaultThemeConfig> = {
 
     ],
     themeConfig: {
-        logo: `/openhab-logo.png`,
+        logo: `/openhab-logo.svg`,
         editLinks: false,
         activeHeaderLinks: false,
         sidebarDepth: 0,