4ak) Approval of Third Amendment to Agreement No. SS-19-063, PA No. 18-351 with WellSky Corporation in the Amount of $66,087.50 for a New Total of $180,610.00 to Provide Subscription Services for the Homeless Management Information System (HMIS), Effective July 1, 2019 Through a New End Date of June 30, 2022 (Original End Date: June 30, 2021)