ci: use temurin version "25-ea"

Temporary fix as seen at:
https://github.com/osiegmar/use-java25ea-with-github-actions/blob/main/.github/workflows/build.yml

Author: Flashky

.github/workflows/build-report.yml

@@ -38,7 +38,7 @@ jobs:
       uses: actions/setup-java@v5
       with:
         distribution: temurin
-        java-version: 25
+        java-version: 25-ea
     - name: Build with Maven
       run: mvn -B package --file pom.xml
     - name: Upload Jacoco report artifact