Change incorrect totals TS type

[slvrtrn]

Summary

Resolves #274

ResponseJSON<T>.totals should match T instead of the Record<string, number> definition.

Checklist

• [x] Unit and integration tests covering the common scenarios were added
• [x] A human-readable description of the changes was provided to include in CHANGELOG

[sonarcloud[bot]]

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