fixed array values parse in queryParamParsers.ts

[egovar]

• Fixes parsing of array values await operationsGetTransactions( { target: { eq: 'KT1R7WEtNNim3YgkxPt8wPMczjH3eyhbJMtz' }, entrypoint: { in: ['e1', 'e2', 'e3'] } });

• Current: ...&entrypoint.in=e1&entrypoint.in=e2&entrypoint.in=e3

• New: ...&entrypoint.in=e1,e2,e3