Pushgateway is not handling TLS_CHACHA20_POLY1305_SHA256 cipher

Prometheus server
1

TLS_CHACHA20_POLY1305_SHA256 cipher is not managed by Prometheus Pushgateway .
It shows up even though it is not added pushgateway.yml file .

2

Please help us to understand this issue.

3

Could anybody please reply to this discussion forum?