Timestamp Disclosure - Unix

I have run Zap scanning tool on my Grafana Project. we are using grafana 6.7.3 version.
Zap has reported Timestamp Disclosure - Unix alert. Below is detail of Alert -

Informational (Low) Timestamp Disclosure - Unix
Description A timestamp was disclosed by the application/web server - Unix
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599445200
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599405000
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599441300
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599381000
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599390600
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599421200
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599438000
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599442800
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599382200
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599430800
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599405900
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599454800
URL http://<IpAddress>/public/img/grafana_mask_icon.svg
Method GET
Evidence 76775068
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599422400
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599388200
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599397800
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599428400
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599459600
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599424200
URL http://<IpAddress>/api/datasources/proxy/1/api/v1/<query-range>
Method GET
Evidence 1599392100
Instances 2836

Could you please let me know the resolution for the vulnerability.

Regards,
Abhimanyu