fix(SW-812): styling fixes for the header and related components

components/TempDesignSystem/Link/variants.ts

@@ -26,12 +26,16 @@ export const linkVariants = cva(styles.link, {
       none: styles.noDecoration,
       underline: styles.underline,
     },
+    weight: {
+      bold: styles.bold,
+    },
     variant: {
       breadcrumb: styles.breadcrumb,
       default: styles.default,
       icon: styles.icon,
       underscored: styles.underscored,
       myPageMobileDropdown: styles.myPageMobileDropdown,
+      navigation: styles.navigation,
       menu: styles.menu,
       shortcut: styles.shortcut,
       sidebar: styles.sidebar,