Bump which from 6.0.3 to 7.0.0

Bumps [which](https://github.com/harryfei/which-rs) from 6.0.3 to 7.0.0.
- [Release notes](https://github.com/harryfei/which-rs/releases)
- [Changelog](https://github.com/harryfei/which-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/harryfei/which-rs/compare/6.0.3...7.0.0)

---
updated-dependencies:
- dependency-name: which
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Cargo.lock

@@ -583,7 +583,7 @@ dependencies = [
  "tracing",
  "tracing-subscriber",
  "uuid",
- "which 6.0.3",
+ "which 7.0.0",
 ]
 
 [[package]]
@@ -5488,9 +5488,9 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "6.0.3"
+version = "7.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4ee928febd44d98f2f459a4a79bd4d928591333a494a10a868418ac1b39cf1f"
+checksum = "c9cad3279ade7346b96e38731a641d7343dd6a53d55083dd54eadfa5a1b38c6b"
 dependencies = [
  "either",
  "home",

tests/contest/contest/Cargo.toml

@@ -20,7 +20,7 @@ serde_json = "1.0"
 tar = "0.4"
 test_framework = { path = "../test_framework" }
 uuid = "1.11"
-which = "6.0.3"
+which = "7.0.0"
 tempfile = "3"
 scopeguard = "1.2.0"
 tracing = { version = "0.1.40", features = ["attributes"]}