Bump immutable from 4.3.7 to 4.3.8 in /webapp#976

nevyangelova merged 1 commit intomastermattermost/mattermost-plugin-github:masterfrom

dependabot/npm_and_yarn/webapp/immutable-4.3.8mattermost/mattermost-plugin-github:dependabot/npm_and_yarn/webapp/immutable-4.3.8Copy head branch name to clipboard