[auto] Update Rust toolchain to 1.96.1

[xv-github-iat-bot]

Changelog: https://releases.rs/docs/1.96.1/

[github-actions]

🚀 Release Plan

🏷️ Release skipped — ignore-release label is applied.

[github-actions]

Code coverage summary for 5dbb491:

Filename                             Regions    Missed Regions     Cover   Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
wolfssl-sys/src/lib.rs                    34                 0   100.00%           4                 0   100.00%          22                 0   100.00%           0                 0         -
wolfssl/src/aes256.rs                    166                 8    95.18%          11                 0   100.00%         124                 4    96.77%           0                 0         -
wolfssl/src/chacha20_poly1305.rs          75                 2    97.33%           5                 0   100.00%          66                 2    96.97%           0                 0         -
wolfssl/src/context.rs                   401               173    56.86%          41                14    65.85%         286               110    61.54%           0                 0         -
wolfssl/src/error.rs                      44                12    72.73%           5                 1    80.00%          43                10    76.74%           0                 0         -
wolfssl/src/lib.rs                        81                15    81.48%          11                 1    90.91%          72                13    81.94%           0                 0         -
wolfssl/src/rng.rs                        71                 9    87.32%           6                 0   100.00%          42                 3    92.86%           0                 0         -
wolfssl/src/ssl.rs                      1277               337    73.61%          86                25    70.93%         862               251    70.88%           0                 0         -
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                   2149               556    74.13%         169                41    75.74%        1517               393    74.09%           0                 0         -

✅ Region coverage 74% passes
✅ Line coverage 74% passes