github: bump the github-dependencies group with 1 update

Bumps the github-dependencies group with 1 update: [EmbarkStudios/cargo-deny-action](https://github.com/embarkstudios/cargo-deny-action).


Updates `EmbarkStudios/cargo-deny-action` from 1.5.13 to 1.5.15
- [Release notes](https://github.com/embarkstudios/cargo-deny-action/releases)
- [Commits](EmbarkStudios/cargo-deny-action@5def368...68cd9c5)

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

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

.github/workflows/build.yml

@@ -115,7 +115,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
-    - uses: EmbarkStudios/cargo-deny-action@5def368d93be6684ad20a0fdec5f23c8ea11e022
+    - uses: EmbarkStudios/cargo-deny-action@68cd9c5e3e16328a430a37c743167572e3243e7e
       with:
         command: check ${{ matrix.checks }}