increase font weight for delete buttons

consistent button design

src/modules/membership/Proof.tsx

@@ -317,6 +317,7 @@ const styles = StyleSheet.create({
   },
   whiteText: {
     color: theme.colors.neufWhite,
+    fontWeight: '500',
   },
   purchaseText: {
     alignItems: 'center',

src/modules/membership/UserDelete.tsx

@@ -76,6 +76,7 @@ const styles = StyleSheet.create({
   },
   whiteText: {
     color: theme.colors.neufWhite,
+    fontWeight: '900',
   },
   disabledText: {
     opacity: 0.5,