ci: explicitly install SBT (removed from GitHub in newer Ubuntu version) (#29)

Author: JavierCane

.github/workflows/ci.yml

@@ -19,6 +19,7 @@ jobs:
           distribution: 'zulu'
           java-version: '11'
           cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
       - name: 👌 Run "pre-push" tasks (compile and style-check)
         run: sbt prep
       - name: ✅ Run test

.github/workflows/update-github-dependency-graph.yml

@@ -13,4 +13,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: sbt/setup-sbt@v1
       - uses: scalacenter/sbt-dependency-submission@v3