fix(faq): fix product illustration names

Author: bene2k1

faq/index.mdx

@@ -1,4 +1,3 @@
-
 ---
 meta:
   title: Frequently Asked Questions
@@ -19,7 +18,7 @@ content:
   />
 
   <ProductCardIllustration
-    productLogo="billing"
+    productLogo="accountBilling"
     url="/billing/faq/"
     label="Billing FAQ"
   />
@@ -76,7 +75,7 @@ content:
 <Grid>
 
   <ProductCardIllustration
-    productLogo="generativeAPI"
+    productLogo="generativeApi"
     url="/generative-apis/faq/"
     label="Generative APIs FAQ"
   />