chore: hooks: use on_communication_update

[ssiyad]

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[codecov]

Codecov Report

Attention: 326 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
helpdesk/hooks.py	100.00% <100.00%> (ø)
...hd_service_holiday_list/hd_service_holiday_list.py	36.92% <0.00%> (ø)
helpdesk/helpdesk/doctype/hd_action/hd_action.py	0.00% <0.00%> (ø)
...lpdesk/report/ticket_analytics/ticket_analytics.py	0.00% <0.00%> (ø)
...esk/doctype/hd_ticket_comment/hd_ticket_comment.py	0.00% <0.00%> (ø)
...k/doctype/hd_ticket_template/hd_ticket_template.py	0.00% <0.00%> (ø)
helpdesk/utils.py	0.00% <0.00%> (ø)
...elpdesk/helpdesk/doctype/hd_ticket_template/api.py	0.00% <0.00%> (ø)
helpdesk/helpdesk/doctype/hd_notification/utils.py	0.00% <0.00%> (ø)
...vice_level_agreement/hd_service_level_agreement.py	0.00% <0.00%> (ø)
... and 4 more

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