Introduce ProxyingMetadataHandlerProvider to decouple JaninoRelMetadataProvider from SQL Federation

[linghengqian]

Fixes #33139 .

Changes proposed in this pull request:

• Introduce ProxyingMetadataHandlerProvider to decouple JaninoRelMetadataProvider from SQL Federation.
• Also for Improve GraalVM Reachability Metadata and corresponding nativeTest related unit tests #29052 . I would say that the workaround for [CALCITE-4952] (Re)introduce a simplistic RelMetadataQuery option calcite#2653 is still not enough to completely avoid janino. The current PR is used to test E2E CI.
• Support connecting to OpenGauss via DistSQL in Proxy Native.

JUnit Jupiter:OpenGaussTest:assertShardingInLocalTransactions()
    MethodSource [className = 'org.apache.shardingsphere.test.natived.proxy.databases.OpenGaussTest', methodName = 'assertShardingInLocalTransactions', methodParameterTypes = '']
    => org.opengauss.util.PSQLException: [127.0.0.1:37032/127.0.0.1:35543] ERROR: SQL federation does not support SQL 'select version()'.
More details: java.lang.RuntimeException: Error while compiling generated Java code:
public org.apache.calcite.linq4j.Enumerable bind(final org.apache.calcite.DataContext root) {
  final org.apache.calcite.linq4j.Enumerable _inputEnumerable = org.apache.calcite.linq4j.Linq4j.asEnumerable(new Integer[] {
    0});
  return new org.apache.calcite.linq4j.AbstractEnumerable(){
      public org.apache.calcite.linq4j.Enumerator enumerator() {
        return new org.apache.calcite.linq4j.Enumerator(){
            public final org.apache.calcite.linq4j.Enumerator inputEnumerator = _inputEnumerable.enumerator();
            public void reset() {
              inputEnumerator.reset();
            }

            public boolean moveNext() {
              return inputEnumerator.moveNext();
            }

            public void close() {
              inputEnumerator.close();
            }

            public Object current() {
              return org.apache.shardingsphere.sqlfederation.optimizer.function.opengauss.impl.OpenGaussSystemFunction.version();
            }

          };
      }

    };
}


public Class getElementType() {
  return java.lang.String.class;
}



       org.opengauss.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2901)
       org.opengauss.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2630)
       org.opengauss.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:362)
       org.opengauss.core.SetupQueryRunner.run(SetupQueryRunner.java:53)
       org.opengauss.core.v3.ConnectionFactoryImpl.queryGaussdbVersion(ConnectionFactoryImpl.java:875)
       org.opengauss.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:331)
       org.opengauss.core.ConnectionFactory.openConnection(ConnectionFactory.java:53)
       org.opengauss.jdbc.PgConnection.<init>(PgConnection.java:256)
       org.opengauss.Driver.makeConnection(Driver.java:561)
       org.opengauss.Driver.connect(Driver.java:314)
       [...]

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[linghengqian]

This would not be a reasonable way forward, since calcite would still be stuck with its use of janino.