Regenerate GitHub Actions workflow

Executed command: sbt githubWorkflowGenerate

Author: aiven-scala-steward[bot]

.github/workflows/ci.yml

@@ -42,6 +42,9 @@ jobs:
           java-version: 11
           cache: sbt
 
+      - name: Setup sbt
+        uses: sbt/setup-sbt@v1
+
       - name: 'Linter: Scalafix checks'
         run: sbt '++ ${{ matrix.scala }}' 'scalafixAll --check'
 
@@ -103,6 +106,9 @@ jobs:
           java-version: 11
           cache: sbt
 
+      - name: Setup sbt
+        uses: sbt/setup-sbt@v1
+
       - name: Download target directories (2.13.13)
         uses: actions/download-artifact@v4
         with: