v23: new logo and font (#4465)

* Use new Vaadin font NB International Pro

* Use new Vaadin logo

Author: veerapaananen

dspublisher/theme/global.css

@@ -1,6 +1,5 @@
 /* When updating the URLs, remember to change them also in header.ts */
 
-@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600;700&display=swap');
 @import './palette.css';
 
 /* These style sheets are fetched from vaadin.com during build (see init.js) */
@@ -31,7 +30,7 @@ html {
   --docs-font-size-h5: var(--text-size-md);
   --docs-font-size-h6: var(--text-size-sm);
 
-  --docs-font-weight-heading: var(--text-weight-semibold);
+  --docs-font-weight-heading: normal;
 
   --docs-line-height-s: var(--text-leading-sm);
   --docs-line-height-m: var(--text-leading-md);

dspublisher/theme/init-browser.ts

@@ -40,9 +40,8 @@ class Header extends LitElement {
 
     return html`
       <link
-        rel="preload"
-        as="style"
-        href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600;700&display=swap"
+        rel="stylesheet"
+        href="https://cdn.vaadin.com/website/antlers/v2/assets/fonts/nbinternationalpro/stylesheet.css"
       />
       <link
         rel="preload"