Update module github.com/prometheus/client_model to v0.6.2#818

red-hat-konflux[bot] wants to merge 1 commit intorelease-1.8netobserv/network-observability-console-plugin:release-1.8from

konflux/mintmaker/release-1.8/github.com-prometheus-client_model-0.xnetobserv/network-observability-console-plugin:konflux/mintmaker/release-1.8/github.com-prometheus-client_model-0.xCopy head branch name to clipboard