fix: playing whackamole with further PSA API spec inconsistencies

hireDate, companyActivityTabFormat and invoiceTimeTabFormat aren't marked as optional in the API spec, but are indeed optional fields.

src/pyconnectwise/models/manage/__init__.py

@@ -9817,8 +9817,8 @@ class Member(ConnectWiseModel):
     calendar_sync_integration_flag: Annotated[bool | None, Field(alias="calendarSyncIntegrationFlag")] = None
     client_id: Annotated[str | None, Field(alias="clientId")] = None
     company_activity_tab_format: Annotated[
-        Literal["SummaryList", "DetailList"], Field(alias="companyActivityTabFormat")
-    ]
+        Literal["SummaryList", "DetailList"] | None, Field(alias="companyActivityTabFormat")
+    ] = None
     copy_column_layouts_and_filters: Annotated[bool | None, Field(alias="copyColumnLayoutsAndFilters")] = None
     copy_pod_layouts: Annotated[bool | None, Field(alias="copyPodLayouts")] = None
     copy_shared_default_views: Annotated[bool | None, Field(alias="copySharedDefaultViews")] = None
@@ -9855,7 +9855,7 @@ class Member(ConnectWiseModel):
         Literal["OpenRecords", "ClosedRecords", "AllRecords"] | None, Field(alias="globalSearchDefaultTicketFilter")
     ] = None
     hide_member_in_dispatch_portal_flag: Annotated[bool | None, Field(alias="hideMemberInDispatchPortalFlag")] = None
-    hire_date: Annotated[datetime, Field(alias="hireDate")]
+    hire_date: Annotated[datetime | None, Field(alias="hireDate")] = None
     home_email: Annotated[str | None, Field(alias="homeEmail")] = None
     """
      Max length: 250;
@@ -9883,7 +9883,7 @@ class Member(ConnectWiseModel):
     invoice_screen_default_tab_format: Annotated[
         Literal["ShowInvoicingTab", "ShowAgreementInvoicingTab"], Field(alias="invoiceScreenDefaultTabFormat")
     ]
-    invoice_time_tab_format: Annotated[Literal["SummaryList", "DetailList"], Field(alias="invoiceTimeTabFormat")]
+    invoice_time_tab_format: Annotated[Literal["SummaryList", "DetailList"] | None, Field(alias="invoiceTimeTabFormat")] = None
     invoicing_display_options: Annotated[
         Literal["RemainOnInvoicingScreen", "ShowRecentInvoices"], Field(alias="invoicingDisplayOptions")
     ]