Bump concread from 0.3.2 to 0.3.4 (#764)

Bumps [concread](https://github.com/kanidm/concread) from 0.3.2 to 0.3.4.
- [Release notes](https://github.com/kanidm/concread/releases)
- [Commits](https://github.com/kanidm/concread/compare/v0.3.2...v0.3.4)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -646,17 +646,14 @@ dependencies = [
 
 [[package]]
 name = "concread"
-version = "0.3.2"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fab72cad7720c88647144c5560214b69b432d5f7e8c1c39f34907c093244ecf"
+checksum = "679b8f0c5a755d46d6fc3351cd4ee533f057b5cf609ae4a03a8ad704d43e78d3"
 dependencies = [
  "ahash",
  "crossbeam",
  "crossbeam-epoch",
- "crossbeam-utils",
  "lru",
- "parking_lot",
- "rand 0.8.5",
  "smallvec",
  "tokio",
 ]

kanidmd/idm/Cargo.toml

@@ -59,7 +59,7 @@ r2d2_sqlite = "^0.20.0"
 time = { version = "=0.2.27", features = ["serde", "std"] }
 
 hashbrown = { version = "0.12.0", features = ["serde", "inline-more", "ahash"] }
-concread = "^0.3.1"
+concread = "^0.3.4"
 smolset = "^1.3.1"
 
 sshkeys = "^0.3.1"