docs/fix: explictly install sbt

`ubuntu-latest` no longer contains sbt, so install it explicitly actions/runner-images#10788 (comment)
raboof · Dec 9, 2024 · de8139c · de8139c
1 parent 120a190
commit de8139c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/README.md b/README.md
@@ -28,6 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: sbt/setup-sbt@v1
       - uses: scalacenter/sbt-dependency-submission@v2
 ```