Introduce workspace dependencies (#12043)

# Description
This PR introduces [workspaces
dependencies](https://doc.rust-lang.org/cargo/reference/workspaces.html#the-dependencies-table).
The advantages are:
- a single place where dependency versions are declared
- reduces the number of files to change when upgrading a dependency
- reduces the risk of accidentally depending on 2 different versions of
the same dependency

I've only done a few so far. If this PR is accepted, I might continue
and progressively do the rest.

# User-Facing Changes
N/A

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

# After Submitting
N/A

crates/nu-utils/Cargo.toml

@@ -17,8 +17,8 @@ bench = false
 bench = false
 
 [dependencies]
-log = "0.4"
 lscolors = { version = "0.17", default-features = false, features = ["nu-ansi-term"] }
+log = { workspace = true }
 num-format = { version = "0.4" }
 strip-ansi-escapes = "0.2.0"
 sys-locale = "0.3"