fix: suppress unused nonDepositPaymentType in prod-staticcheck

backend/testutils/httptest/client.go

@@ -162,7 +162,7 @@ type Response struct {
 }
 
 func (c *TestClient) Do(req *http.Request) (*Response, error) {
-	resp, err := c.client.Do(req)
+	resp, err := c.client.Do(req) // #nosec G704 — test utility
 	if err != nil {
 		return nil, err
 	}

backend/testutils/testdb/testdb.go

@@ -25,8 +25,8 @@ type Querier interface {
 }
 
 const (
-	defaultTestDSN   = "postgres://myuser:mypassword@localhost:5432/crussell_test?sslmode=disable"
-	adminDatabaseDSN = "postgres://myuser:mypassword@localhost:5432/mydb?sslmode=disable"
+	defaultTestDSN   = "postgres://myuser:mypassword@localhost:5432/crussell_test?sslmode=disable" // #nosec G101
+	adminDatabaseDSN = "postgres://myuser:mypassword@localhost:5432/mydb?sslmode=disable"           // #nosec G101
 )
 
 func dbHost() string {