build(deps): bump which from 4.2.4 to 4.2.5 (#1554)

Bumps [which](https://github.com/harryfei/which-rs) from 4.2.4 to 4.2.5.
- [Release notes](https://github.com/harryfei/which-rs/releases)
- [Commits](harryfei/which-rs@4.2.4...4.2.5)

---
updated-dependencies:
- dependency-name: which
  dependency-type: indirect
  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>
(cherry picked from commit 604a8c4)
Signed-off-by: Oliver Gould <ver@buoyant.io>

Cargo.lock

@@ -598,9 +598,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad5c14e80759d0939d013e6ca49930e59fc53dd8e5009132f76240c179380c09"
+checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -2617,9 +2617,9 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "4.2.4"
+version = "4.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
+checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
 dependencies = [
  "either",
  "lazy_static",