[docs]: Update data-sources guides - RunJS

[RudraPratik30]

Updated the RunJS Data Source Guide

[TooljetBot]

Code Review Agent Run Status

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions[bot]]

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