build(deps): bump EmbarkStudios/cargo-deny-action from 1.5.15 to 1.6.3 (#326)

Bumps [EmbarkStudios/cargo-deny-action](https://github.com/embarkstudios/cargo-deny-action) from 1.5.15 to 1.6.3.
- [Release notes](https://github.com/embarkstudios/cargo-deny-action/releases)
- [Commits](EmbarkStudios/cargo-deny-action@68cd9c5...3f4a782)

---
updated-dependencies:
- dependency-name: EmbarkStudios/cargo-deny-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/rust.yml

@@ -68,6 +68,6 @@ jobs:
     continue-on-error: ${{ matrix.checks == 'advisories' }}
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-      - uses: EmbarkStudios/cargo-deny-action@68cd9c5e3e16328a430a37c743167572e3243e7e
+      - uses: EmbarkStudios/cargo-deny-action@3f4a782664881cf5725d0ffd23969fcce89fd868
         with:
           command: check ${{ matrix.checks }}