[Test Migration][13] Update changeset

Author: josh-orca

.changeset/breezy-symbols-warn.md

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+Migrate integration tests from Anchor test validator to LiteSVM for improved test performance and reliability. This change includes:
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+- Updated test infrastructure to support versioned transactions in LiteSVM
+- Added polling mechanisms for state synchronization in LiteSVM environment
+- Fixed type safety issues in test setup and helpers
+- Simplified Anchor.toml configuration now that tests use LiteSVM
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+This is an internal infrastructure change that does not affect public APIs or functionality.