chore(deps): bump ssh-key from 0.6.3 to 0.6.4

Bumps [ssh-key](https://github.com/RustCrypto/SSH) from 0.6.3 to 0.6.4.
- [Commits](https://github.com/RustCrypto/SSH/compare/ssh-key/v0.6.3...ssh-key/v0.6.4)

---
updated-dependencies:
- dependency-name: ssh-key
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.lock

@@ -4793,9 +4793,9 @@ dependencies = [
 
 [[package]]
 name = "ssh-key"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51901eb883a5b442b506a1f8fa483d143f3bab513fe721e398ec56c77624feb"
+checksum = "01f8f4ea73476c0aa5d5e6a75ce1e8634e2c3f82005ef3bbed21547ac57f2bf7"
 dependencies = [
  "ed25519-dalek",
  "p256",

gitbutler-app/Cargo.toml

@@ -61,7 +61,7 @@ sha1 = "0.10.6"
 sha2 = "0.10.8"
 similar = { version = "2.4.0", features = ["unicode"] }
 slug = "0.1.5"
-ssh-key = { version = "0.6.3", features = [ "alloc", "ed25519" ] }
+ssh-key = { version = "0.6.4", features = [ "alloc", "ed25519" ] }
 ssh2 = { version = "0.9.4", features = ["vendored-openssl"] }
 tauri = { version = "1.5.4", features = ["dialog-open", "fs-read-file", "path-all", "process-relaunch", "protocol-asset", "shell-open", "system-tray", "window-maximize", "window-start-dragging", "window-unmaximize"] }
 tauri-plugin-context-menu = { git = "https://github.com/gitbutlerapp/tauri-plugin-context-menu", branch = "main" }