Update receipt import limit date for Google Play (#970)

Author: MarkVillacampa

docs/migrating-to-revenuecat/migrating-existing-subscriptions.mdx

@@ -22,7 +22,7 @@ For extraordinarily large imports, we offer bulk imports as a service on our pla
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 :::warning Limited historical data for Google Play purchases
-Google Play receipts that have been expired for more than 90 days ago can't be imported, and only the current status can be retrieved from each receipt. This means that historical data won't be presented accurately in Charts. To fill the gaps in historical data, you can use [Google Historical Imports](/migrating-to-revenuecat/migrating-existing-subscriptions/google-historical-import).
+Google Play receipts that have been expired for more than 60 days ago can't be imported, and only the current status can be retrieved from each receipt. This means that historical data won't be presented accurately in Charts. To fill the gaps in historical data, you can use [Google Historical Imports](/migrating-to-revenuecat/migrating-existing-subscriptions/google-historical-import).
 :::
 
 ### Client-side (SDK) Data Import