build(deps): bump the crates-io group across 1 directory with 6 updates

Bumps the crates-io group with 5 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [log](https://github.com/rust-lang/log) | `0.4.20` | `0.4.21` |
| [base64](https://github.com/marshallpierce/rust-base64) | `0.21.3` | `0.22.0` |
| [once_cell](https://github.com/matklad/once_cell) | `1.18.0` | `1.19.0` |
| [webpki-roots](https://github.com/rustls/webpki-roots) | `0.26.0` | `0.26.1` |
| [core-foundation](https://github.com/servo/core-foundation-rs) | `0.9.3` | `0.9.4` |



Updates `log` from 0.4.20 to 0.4.21
- [Release notes](https://github.com/rust-lang/log/releases)
- [Changelog](https://github.com/rust-lang/log/blob/master/CHANGELOG.md)
- [Commits](rust-lang/log@0.4.20...0.4.21)

Updates `base64` from 0.21.3 to 0.22.0
- [Changelog](https://github.com/marshallpierce/rust-base64/blob/master/RELEASE-NOTES.md)
- [Commits](marshallpierce/rust-base64@v0.21.3...v0.22.0)

Updates `once_cell` from 1.18.0 to 1.19.0
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](matklad/once_cell@v1.18.0...v1.19.0)

Updates `webpki-roots` from 0.26.0 to 0.26.1
- [Release notes](https://github.com/rustls/webpki-roots/releases)
- [Commits](rustls/webpki-roots@v/0.26.0...v/0.26.1)

Updates `core-foundation` from 0.9.3 to 0.9.4
- [Commits](servo/core-foundation-rs@core-foundation-v0.9.3...core-foundation-v0.9.4)

Updates `core-foundation-sys` from 0.8.4 to 0.8.6
- [Commits](servo/core-foundation-rs@core-foundation-sys-v0.8.4...core-foundation-sys-v0.8.6)

---
updated-dependencies:
- dependency-name: log
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: crates-io
- dependency-name: base64
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: crates-io
- dependency-name: once_cell
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: crates-io
- dependency-name: webpki-roots
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: crates-io
- dependency-name: core-foundation
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: crates-io
- dependency-name: core-foundation-sys
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: crates-io
...

Signed-off-by: dependabot[bot] <support@github.com>

rustls-platform-verifier/Cargo.toml

@@ -31,9 +31,9 @@ docsrs = ["jni"]
 [dependencies]
 rustls = { version = "0.23", default-features = false, features = ["std"] }
 log = { version = "0.4" }
-base64 = { version = "0.21", optional = true } # Only used when the `cert-logging` feature is enabled.
+base64 = { version = "0.22", optional = true } # Only used when the `cert-logging` feature is enabled.
 jni = { version = "0.19", default-features = false, optional = true } # Only used during doc generation
-once_cell = "1.9"
+once_cell = "1.19"
 
 [target.'cfg(all(unix, not(target_os = "android"), not(target_os = "macos"), not(target_os = "ios"), not(target_os = "tvos")))'.dependencies]
 rustls-native-certs = "0.7"