Avoid using hardcoded ports in nativeTest

[linghengqian]

For #29052 .

Changes proposed in this pull request:

• Avoid using hardcoded ports in nativeTest. This is to adhere to the best practices defined by testcontainers-java. This PR is a follow-up to Add ClasspathURLProvider implementation that reads system properties #29995.
• Updated GraalVM Native Build Tools to 0.10.0. Metadata Repository is now turned on by default, which will simplify configuration, see https://github.com/graalvm/native-build-tools/releases/tag/0.10.0 .
• Update jetcd to 0.7.7 to fix conflicts with higher versions of netty, refer to jetcd run with netty-4.1.101 etcd-io/jetcd#1282 .

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