fix: update timeline for GDPR compliance (#4897)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
This PR updates the compliance information regarding GDPR and CCPA in the `page.mdx` file, providing more detailed and accurate descriptions of the data handling practices.

### Detailed summary
- Updated the compliance statement for GDPR and CCPA.
- Changed the text from a general statement about in-app wallets to specify that `thirdweb` complies with GDPR and CCPA frameworks.
- Clarified the timeframe for data deletion requests (30 days for GDPR and 45 for CCPA).

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Author: ElasticBottle

apps/portal/src/app/connect/in-app-wallet/security/page.mdx

@@ -70,7 +70,7 @@ Using threshold secret sharing, thirdweb cannot reconstruct a user's private key
 
 #### GDPR & CCPA
 
-In-app wallets are compliant with GDPR and CCPA within 90 days.
+thirdweb complies to GDPR and CCPA compliance frameworks and deletes customer data per request within the required timeframe of each standard (30 days for GDPR and 45 for CCPA).
 
 #### Audit and Bounty Program