Bump github.com/prometheus/exporter-toolkit from 0.7.1 to 0.8.1#5

dependabot[bot] wants to merge 1 commit intomastergrafana/postgres_exporter:masterfrom

dependabot/go_modules/github.com/prometheus/exporter-toolkit-0.8.1grafana/postgres_exporter:dependabot/go_modules/github.com/prometheus/exporter-toolkit-0.8.1Copy head branch name to clipboard