Bump json from 1.8.0 to 2.6.3 in /newrelic_mpstat_agent#2

dependabot[bot] wants to merge 1 commit intomasterCrowdFlower/newrelic_platform_plugins:masterfrom

dependabot/bundler/newrelic_mpstat_agent/json-2.6.3CrowdFlower/newrelic_platform_plugins:dependabot/bundler/newrelic_mpstat_agent/json-2.6.3Copy head branch name to clipboard