For purposes of Sections 25-9-171 through 25-9-177, the following terms shall have the meanings ascribed to them herein:
"Improper governmental action" does not include personnel actions for which other remedies exist, including, but not limited to, employee grievances, complaints, appointments, promotions, transfers, assignments, reassignments, reinstatements, restorations, reemployments, performance evaluations, reductions in pay, dismissals, suspensions, demotions, violations of the state personnel system or local personnel policies, alleged labor agreement violations, reprimands, claims of discriminatory treatment, or any personnel action which may be taken under federal or state law.
Miss. Code § 25-9-171