cargo: bump testdir from 0.7.2 to 0.7.3

Bumps testdir from 0.7.2 to 0.7.3.

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

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

Cargo.lock

@@ -4697,9 +4697,9 @@ dependencies = [
 
 [[package]]
 name = "testdir"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31eb500f7513b559ed7e0652894268dbe8ef27b6241b783ce274f4741eae137"
+checksum = "a45fc921e7c4ad1aedb3484811514f3e5cd187886e0bbf1302c175f7578ef552"
 dependencies = [
  "anyhow",
  "backtrace",

Cargo.toml

@@ -102,7 +102,7 @@ log = "0.4"
 pretty_env_logger = "0.4"
 proptest = { version = "1", default-features = false, features = ["std"] }
 tempfile = "3"
-testdir = "0.7.2"
+testdir = "0.7.3"
 tokio = { version = "1", features = ["parking_lot", "rt-multi-thread", "macros"] }
 
 [workspace]