[Task]: Fix Improper Resource Shutdown or Release in Ballerina 1.2.x

[malinthar]

Description

Need to fix the $subject vulnerability reported in https://docs.google.com/spreadsheets/d/1MAabEyyYwg8PzziDR4XbPJyeCUhKEgFrDrMDYFX9RVM/edit#gid=407096550

Steps to Reproduce

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Affected Version(s)

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OS, DB, other environment details and versions

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Related area

-> Runtime

Related issue(s) (optional)

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Suggested label(s) (optional)

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Suggested assignee(s) (optional)

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[gabilang]

It seems we have already added a fix (with the PR #40330) for this issue. With that fix we made JSONGenerator auto-closeable and users are expected to close the streams if there are any JSONGenerator constructor calls made by them.
Try-with resources can be used for this purpose.
e.g:

try (JSONGenerator gen = new JSONGenerator(outputStream)) {
     // Use Json generator
} catch (IOException e) {
    // Handle exception
}

[gabilang]

The above issue can be mitigated by try-with-resources (or manually call close) if there any constructor call made to JSONGenerator or it can be a false positive. Hence closing the issue.