Add cdc listener and service implementation

[niveathika]

Purpose

$subject

Will send the test cases as separate PR. This reduces lines and gives effective review.
Fixes:

Examples

Checklist

• Linked to an issue
• Updated the specification
• Updated the changelog
• Added tests
• Checked native-image compatibility

[Copilot]

Pull Request Overview

This PR adds the CDC listener and service implementation by introducing new platform configurations and dependency updates for CDC, Debezium, Kafka, and Jackson, as well as new package definitions.

• Introduces a [platform.java21] section with GraalVM compatibility and several new dependencies in both the build-config and ballerina projects.
• Updates Dependencies.toml with new package definitions (crypto, data.jsondata, lang.object, observe, random, time) and bumps the distribution version.
• Modifies the GitHub Actions workflow by adding an additional build flag for excluding cdc-examples.

Reviewed Changes

Copilot reviewed 14 out of 30 changed files in this pull request and generated 1 comment.

File	Description
build-config/resources/Ballerina.toml	Added the [platform.java21] section and new dependency listings for Debezium, Kafka, etc.
ballerina/Dependencies.toml	Updated distribution version and added multiple package dependencies and modules.
ballerina/Ballerina.toml	Added new platform.java21 dependencies to ensure GraalVM compatibility.
.github/workflows/trivy-scan.yml	Added an additional build flag to the workflow configuration.

Files not reviewed (16)

• ballerina/annotations.bal: Language not supported
• ballerina/build.gradle: Language not supported
• ballerina/errors.bal: Language not supported
• ballerina/extern_functions.bal: Language not supported
• ballerina/init.bal: Language not supported
• ballerina/mssql_listener.bal: Language not supported
• ballerina/mysql_listener.bal: Language not supported
• ballerina/oracledb_listener.bal: Language not supported
• ballerina/postgresql_listener.bal: Language not supported
• ballerina/service.bal: Language not supported
• ballerina/types.bal: Language not supported
• ballerina/utils.bal: Language not supported
• build-config/spotbugs-exclude.xml: Language not supported
• examples/build.bat: Language not supported
• gradle.properties: Language not supported
• native/build.gradle: Language not supported

Comments suppressed due to low confidence (1)

ballerina/Dependencies.toml:76

• [nitpick] The organization identifier 'ballerinai' in the observe package instead of the usual 'ballerina' could lead to inconsistency in dependency organization. Consider using a consistent organization naming to avoid confusion.

org = "ballerinai"

[codecov]

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[ayeshLK]

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