Bump eclipse-temurin in fabric-contract-example-as-service (#462)

Bumps eclipse-temurin from 21-jre to 25-jre.

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

examples/fabric-contract-example-as-service/Dockerfile

@@ -15,7 +15,7 @@ RUN gradle build shadowJar
 
 
 # the second stage of our build just needs the compiled files
-FROM eclipse-temurin:21-jre
+FROM eclipse-temurin:25-jre
 # copy only the artifacts we need from the first stage and discard the rest
 COPY --from=gradle_build /home/gradle/build/libs/chaincode.jar /chaincode.jar