[IMP] hr_holidays: add a description on hr.leave.report

This is a good practice to always have a description set on models.

Linked to task ID 1853352, feedback from internal use.

addons/hr_holidays/report/hr_leave_report.py

@@ -5,8 +5,8 @@ from odoo import fields, models, tools
 
 
 class LeaveReport(models.Model):
-
     _name = "hr.leave.report"
+    _description = 'Leave Summary / Report'
     _auto = False
 
     employee_id = fields.Many2one('hr.employee', string="Employee", readonly=True)