Bump ajv from 6.5.0 to 6.12.6 in /optimizer#26

dependabot[bot] wants to merge 1 commit intomasterwilli84/ng-bundle-optimizer:masterfrom

dependabot/npm_and_yarn/optimizer/ajv-6.12.6willi84/ng-bundle-optimizer:dependabot/npm_and_yarn/optimizer/ajv-6.12.6Copy head branch name to clipboard