refactor: included caching in add-new-version.js.

[Manush-2005]

Description

• This file had too many fs read and write operations.
• Included cache which reads data from all files and returns the writes final cache at the end of execution( addNewVersion function).
• ReadJsonFile - Reads File and puts it in cache.
• WriteJsonFile - Required cache file is written back.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[Manush-2005]

Just a friendly ping on this why this PR is still open @Pakisan