bazel(ci): fix fedora build by forcing the java_runtime_version

Author: Mizux

bazel/docker/fedora/Dockerfile

@@ -36,7 +36,7 @@ COPY . .
 
 FROM devel AS build
 RUN bazel version
-RUN bazel build --config=ci //ortools/... //examples/...
+RUN bazel build --java_runtime_version=remotejdk_21 --config=ci //ortools/... //examples/...
 
 FROM build AS test
-RUN bazel test --config=ci //ortools/... //examples/...
+RUN bazel test --java_runtime_version=remotejdk_21 --config=ci //ortools/... //examples/...