chore(deps): update hr

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
odoo12-addon-hr-attendance-modification-tracking	==12.0.2.0.1.99.dev3 -> ==12.0.2.0.1.99.dev4
odoo12-addon-hr-course	==12.0.1.0.0.99.dev4 -> ==12.0.1.0.0.99.dev5
odoo12-addon-hr-employee-medical-examination	==12.0.1.0.0.99.dev4 -> ==12.0.1.0.0.99.dev5

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