[Feature][transform-v2] Support transform metrics

[CosmosNi]

close #8172

env {
  parallelism = 1
  job.mode = "BATCH"
}

source {
  # This is a example source plugin **only for test and demonstrate the feature source plugin**
  FakeSource {
      plugin_output = "fake1"
      schema = {
        table = "fake.table1"
        fields {
          id = bigint
          name = string
          score = int
        }
      }
      rows = [
        {
          kind = INSERT
          fields = [1, "A", 100]
        },
        {
          kind = INSERT
          fields = [2, "B", 100]
        },
        {
          kind = INSERT
          fields = [3, "C", 100]
        },
        {
          kind = INSERT
          fields = [3, "C", 100]
        },
        {
          kind = INSERT
          fields = [3, "C", 100]
        },
        {
          kind = INSERT
          fields = [3, "C", 100]
        }
        {
          kind = UPDATE_BEFORE
          fields = [1, "A", 100]
        },
        {
          kind = UPDATE_AFTER
          fields = [1, "A", 300]
        },
        {
          kind = DELETE
          fields = [2, "B", 100]
        },
                 {
                   kind = INSERT
                   fields = [2, "B", 100]
                 }
      ]
    }

    FakeSource {
        plugin_output = "fake2"
        schema = {
          table = "fake.public.table2"
          fields {
            id = bigint
            name = string
            score = int
          }
        }
        rows = [
          {
            kind = INSERT
            fields = [1, "A", 100]
          },
          {
            kind = INSERT
            fields = [2, "B", 100]
          },
          {
            kind = DELETE
            fields = [2, "B", 100]
          },
          {
            kind = INSERT
            fields = [3, "C", 100]
          },
          {
            kind = INSERT
            fields = [3, "C", 100]
          }
        ]
      }

}

transform {
  Sql {
    plugin_input = "fake1"
    plugin_output = "fake3"
    query = "select * from fake1"
  }
    Sql {
      plugin_input = "fake3"
      plugin_output = "fake4"
      query = "select * from fake3"
    }
    Sql {
      plugin_input = "fake4"
      plugin_output = "fake5"
      query = "select * from fake4"
    }
  Sql {
    plugin_input = "fake2"
    plugin_output = "fake6"
    query = "select * from fake2"
  }
    Sql {
      plugin_input = "fake6"
      plugin_output = "fake7"
      query = "select * from fake6"
    }
    Sql {
      plugin_input = "fake7"
      plugin_output = "fake8"
      query = "select * from fake7"
    }

}

sink {
  console {
    plugin_input = "fake5"
  }
  console {
    plugin_input = "fake8"
  }
}

flink/zeta log results：

rest：

multi tables:

Purpose of this pull request

Does this PR introduce any user-facing change?

How was this patch tested?

Check list

• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config
• Update the release-note.

[CosmosNi]

@hailin0 @Hisoka-X Temporarily implemented the metric of count.PTAL,see see if there is any problem

[corgy-w]

I've had a quick look, and I have a few minor questions

I think that is the process now.

ps: If you have time please make sure the http api returns new metrics as well. and add test cases

[corgy-w]

@CosmosNi Looks good, Wait ci let @Hisoka-X take a look

[corgy-w]

format

[CosmosNi]

@Hisoka-X PTAL