[MM-39633] migrate team store to sqlx (#19207)

```release-note
NONE
```

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
Co-authored-by: Agniva De Sarker <agnivade@yahoo.co.in>

model/team.go

@@ -40,7 +40,7 @@ type Team struct {
 	LastTeamIconUpdate int64   `json:"last_team_icon_update,omitempty"`
 	SchemeId           *string `json:"scheme_id"`
 	GroupConstrained   *bool   `json:"group_constrained"`
-	PolicyID           *string `json:"policy_id" db:"-"`
+	PolicyID           *string `json:"policy_id"`
 }
 
 type TeamPatch struct {