Regenerate GitHub Actions workflow

Executed command: sbt githubWorkflowGenerate

Author: scala-steward

.github/workflows/ci.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Setup Java (adopt-hotspot@17)
         if: matrix.java == 'adopt-hotspot@17'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: adopt-hotspot
           java-version: 17