build(deps): bump EmbarkStudios/cargo-deny-action from 2.0.19 to 2.0.20 (#888)

Bumps [EmbarkStudios/cargo-deny-action](https://github.com/embarkstudios/cargo-deny-action) from 2.0.19 to 2.0.20.
- [Release notes](https://github.com/embarkstudios/cargo-deny-action/releases)
- [Commits](EmbarkStudios/cargo-deny-action@a531616...bb137d7)

---
updated-dependencies:
- dependency-name: EmbarkStudios/cargo-deny-action
  dependency-version: 2.0.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -116,7 +116,7 @@ jobs:
 
       - name: deny check
         if: matrix.version.name == 'stable' && matrix.target.os == 'ubuntu-latest'
-        uses: EmbarkStudios/cargo-deny-action@a531616d8ce3b9177443e48a1159bc945a099823 # v2.0.19
+        uses: EmbarkStudios/cargo-deny-action@bb137d7af7e4fb67e5f82a49c4fce4fad40782fe # v2.0.20
 
   docs:
     name: Documentation