Merge pull request #124 from rabbitmq/dependabot/github_actions/actions/setup-java-5

Bump actions/setup-java from 4 to 5

Author: acogoluegnes

.github/workflows/unit-tests.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Set up JDK 8
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         java-version: "8"
         distribution: "adopt"