Add prefix address when IPAddr of CIDR is encoded with JSON

[taketo1113]

Motivation / Background

This Pull Request has been created because JSON encoded IPAddr/CIDR is removed the prefix address.
It unable to deserialize IPAddr/CIDR value.

Detail

This Pull Request changes that IPAddr of CIDR is encoded with JSON add prefix address.

Additional information

• Fixed JSON encoded IPAddr/CIDR remove the prefix address #46006

Checklist

Before submitting the PR make sure the following are checked:

• This Pull Request is related to one change. Changes that are unrelated should be opened in separate PRs.
• There are no typos in commit messages and comments.
• Commit message has a detailed description of what changed and why. If this PR fixes a related issue include it in the commit message. Ex: [Fix #issue-number]
• Feature branch is up-to-date with main (if not - rebase it).
• Pull request only contains one commit for bug fixes and small features. If it's a larger feature, multiple commits are permitted but must be descriptive.
• Tests are added if you fix a bug or add a feature.
• CHANGELOG files are updated for the changed libraries if there is a behavior change or additional feature. Minor bug fixes and documentation changes should not be included.
• PR is not in a draft state.
• CI is passing.

[yahonda]

Closing this pull request as per discussed #46006 (comment) This issue has been raised at flori/json#503 .