Update dependency-graph.yml

Author: sideeffffect

.github/workflows/dependency-graph.yml

@@ -11,4 +11,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+      - uses: sbt/setup-sbt@v1
       - uses: scalacenter/sbt-dependency-submission@v3.1.0