fix(react-email): Text color in tooltips (#1563)

Co-authored-by: gabriel miranda <gabrielmfern@outlook.com>

Author: ranafaraznaru

.changeset/new-coats-cover.md

@@ -0,0 +1,5 @@
+---
+"react-email": patch
+---
+
+Fixes tooltip color being black for specific theming configurations

packages/react-email/src/components/tooltip-content.tsx

@@ -18,7 +18,7 @@ export const TooltipContent = React.forwardRef<
     <TooltipPrimitive.Content
       {...props}
       className={cn(
-        'bg-black border border-slate-6 z-20 px-3 py-2 rounded-md text-xs',
+        'bg-black text-white border border-slate-6 z-20 px-3 py-2 rounded-md text-xs',
         `${inter.variable} font-sans`,
       )}
       ref={forwardedRef}