Bump toml dependency

We need
  60b874308e6792a73cc00517a60bbef60a12e3cc
  Mixed type arrays (#358)
for a test case in tor-config.

While we're here, drop the dupe entry in tor-config.

(In principle we could make this increase only in tor-config's
dev-dependencies, but that seems unnecessarily fiddly.)

crates/arti/Cargo.toml

@@ -71,7 +71,7 @@ visibility = { version = "0.0.1", optional = true }
 itertools = "0.10.1"
 regex = { version = "1", default-features = false, features = ["std"] }
 serde_json = "1.0.50"
-toml = "0.5"
+toml = "0.5.6"
 
 [target.'cfg(unix)'.dependencies]
 libc = { version = "0.2", default-features = false }

crates/fs-mistrust/Cargo.toml

@@ -32,7 +32,7 @@ users = "0.11"
 anyhow = "1.0.23"
 serde_json = "1.0.50"
 tempfile = "3"
-toml = "0.5"
+toml = "0.5.6"
 [package.metadata.docs.rs]
 all-features = true
 rustdoc-args = ["--cfg", "docsrs"]

crates/tor-config/Cargo.toml

@@ -32,7 +32,7 @@ serde_ignored = "0.1.3"
 shellexpand = { version = "2.1.2", optional = true }
 strum = { version = "0.24", features = ["derive"] }
 thiserror = "1"
-toml = "0.5"
+toml = "0.5.6"
 tor-basic-utils = { path = "../tor-basic-utils", version = "0.3.3" }
 tor-error = { path = "../tor-error", version = "0.3.2" }
 tracing = "0.1.18"
@@ -44,7 +44,6 @@ dirs = "4.0.0"
 rmp-serde = "1"
 serde_json = "1.0.50"
 tempfile = "3"
-toml = "0.5"
 tracing-test = "0.2"
 [package.metadata.docs.rs]
 all-features = true