dependabot: bump flamegraph from 0.6.2 to 0.6.3

Bumps [flamegraph](https://github.com/flamegraph-rs/flamegraph) from 0.6.2 to 0.6.3.
- [Release notes](https://github.com/flamegraph-rs/flamegraph/releases)
- [Commits](flamegraph-rs/flamegraph@v0.6.2...v0.6.3)

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

Signed-off-by: dependabot[bot] <[email protected]>