minor #2327 [Site] Use variable webfont (smnandre)

This PR was merged into the 2.x branch.

Discussion
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[Site] Use variable webfont

Source: https://github.com/canonical/Ubuntu-Sans-fonts
Credits:  https://design.ubuntu.com/font

Commits
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de4d99c [Site] Use variable webfont

Author: smnandre

ux.symfony.com/assets/styles/app/_font.scss

@@ -20,3 +20,17 @@
         url("https://cdn.jsdelivr.net/npm/@fontsource/[email protected]/files/ubuntu-latin-700-normal.woff2") format('woff2');
   unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
 }
+/* ubuntu-sans-latin-wght-normal */
+@font-face {
+  font-family: 'Ubuntu Sans';
+  font-style: normal;
+  font-display: swap;
+  font-weight: 100 800;
+  src:  local("Ubuntu Sans"),
+        local("Ubuntu-Sans"),
+        local("Ubuntu-Sans-Variable"),
+        local("UbuntuSans"),
+        local("UbuntuSans-Variable"),
+        url(https://cdn.jsdelivr.net/fontsource/fonts/ubuntu-sans:vf@latest/latin-wght-normal.woff2) format('woff2-variations');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}

ux.symfony.com/assets/styles/app/_root.scss

@@ -14,7 +14,7 @@
   --space-larger: 2rem;
 
   // Fonts
-  --font-family-title: "Ubuntu", "Helvetica Neue", sans-serif;
+  --font-family-title: "Ubuntu Sans", "Ubuntu", system-ui, sans-serif;
   --font-family-text: system-ui, sans-serif;
   --font-family-code: ui-monospace, "SF Mono", SFMono-Regular, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;