Bump pprof from 0.4.4 to 0.6.0 (#2996)

Bumps [pprof](https://github.com/tikv/pprof-rs) from 0.4.4 to 0.6.0.
- [Release notes](https://github.com/tikv/pprof-rs/releases)
- [Commits](tikv/pprof-rs@v0.4.4...v0.6.0)

---
updated-dependencies:
- dependency-name: pprof
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

benchmarks/Cargo.toml

@@ -35,7 +35,7 @@ executor-benchmark = {path = "../executor/benchmark", package="starcoin-executor
 futures = "0.3.12"
 logger = {path = "../commons/logger",package="starcoin-logger"}
 [target."cfg(target_os=\"linux\")".dependencies]
-pprof = { version = "0.4", features = ["flamegraph", "criterion"] }
+pprof = { version = "0.6", features = ["flamegraph", "criterion"] }
 [dev-dependencies]
 
 # see https://bheisler.github.io/criterion.rs/book/faq.html#cargo-bench-gives-unrecognized-option-errors-for-valid-command-line-options