[auto] Update cargo dependencies

[expressvpn-iat-bot]

$ cargo update
    Updating crates.io index
     Locking 2 packages to latest compatible versions
    Updating cc v1.1.19 -> v1.1.20
 Downgrading once_cell v1.20.0 -> v1.19.0
note: pass `--verbose` to see 8 unchanged dependencies behind latest

[kp-mariappan-ramasamy]

Ran Weekly cargo update CI to fix (downgrade) yanked once_cell crate:
https://github.com/expressvpn/wolfssl-rs/actions/runs/10903210732/job/30256779752

[github-actions]

Code coverage summary for 257f64f:

Filename                             Regions    Missed Regions     Cover   Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
wolfssl-sys/src/lib.rs                     5                 0   100.00%           2                 0   100.00%          24                 0   100.00%           0                 0         -
wolfssl/src/chacha20_poly1305.rs          14                 2    85.71%           5                 0   100.00%          95                 2    97.89%           0                 0         -
wolfssl/src/context.rs                   173                84    51.45%          46                15    67.39%         340               127    62.65%           0                 0         -
wolfssl/src/error.rs                      21                 9    57.14%           7                 3    57.14%          53                11    79.25%           0                 0         -
wolfssl/src/lib.rs                        65                11    83.08%          14                 2    85.71%          81                12    85.19%           0                 0         -
wolfssl/src/rng.rs                        19                 5    73.68%           4                 0   100.00%          47                 3    93.62%           0                 0         -
wolfssl/src/ssl.rs                       472               203    56.99%          81                25    69.14%        1059               277    73.84%           0                 0         -
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                    769               314    59.17%         159                45    71.70%        1699               432    74.57%           0                 0         -

✅ Region coverage 59% passes
✅ Line coverage 74% passes

[kp-mariappan-ramasamy]

Ref this issue for once_cell yanking:
matklad/once_cell#264