use string edit distance for aggregation (#736)

Summary:

instead of just dedup intergers, we switch to use edit distance to
dedup arbitrary log lines.

Differential Revision: D79492339

Author: James Sun

hyperactor_mesh/Cargo.toml

@@ -54,7 +54,6 @@ nix = { version = "0.29.0", features = ["dir", "event", "hostname", "inotify", "
 pin-project = "1.1.10"
 preempt_rwlock = { version = "0.0.0", path = "../preempt_rwlock" }
 rand = { version = "0.8", features = ["small_rng"] }
-regex = "1.11.1"
 serde = { version = "1.0.185", features = ["derive", "rc"] }
 serde_bytes = "0.11"
 serde_json = { version = "1.0.140", features = ["alloc", "float_roundtrip", "unbounded_depth"] }