Update dependency phpseclib/phpseclib to v3.0.57

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
phpseclib/phpseclib (source)	3.0.55 → 3.0.57

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Release Notes

phpseclib/phpseclib (phpseclib/phpseclib)

v3.0.57

Compare Source

• ASN1: fix tag matching for tagged CHOICE children (#​2158)
• RSA: fix for openssl_verify calls that error out (#​2161)
• RSA/PublicKey: implement salt length discovery for PSS verification (#​2164)
• BigInteger/PHP: don't return the divisor as the common residue (#​2165)
• Curve25519/448: improve timing attack resistance (CVE-2026-84308)

v3.0.56

Compare Source

• RSA: don't use OpenSSL for PSS on OpenSSL < 3.1.0 (#​2156)
• SFTP: throw TimeoutExceptions on timeout vs UnexpectedValueException (#​2152)
• SFTP/Stream: use default context if one isn't explicitly provided (#​2154)

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DeepSource Code Review

We reviewed changes in 6ca786e...41b9967 on this pull request. Below is the summary for the review, and you can see the individual issues we found as inline review comments.

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PR Report Card

Overall Grade

Security   Reliability   Complexity   Hygiene

Code Review Summary

Analyzer	Status	Updated (UTC)	Details
PHP		Sep 1, 2026 1:10a.m.	Review ↗

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