* [aptos-release-v1.46] Bump version to 1.46.2

* Remove num_pfns variable from test function

Removed the variable 'num_pfns' from the realistic_env_max_load_encrypted_test function.

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Co-authored-by: ibalajiarun <3034228+ibalajiarun@users.noreply.github.com>
Co-authored-by: Balaji Arun <balaji@aptoslabs.com>