Bump karma from 3.0.0 to 6.3.14 in /databinding#21

dependabot[bot] wants to merge 1 commit intomasterSyncfusionExamples/How-to-bind-self-referential-data-to-an-Angular-Tree-Grid:masterfrom

dependabot/npm_and_yarn/databinding/karma-6.3.14SyncfusionExamples/How-to-bind-self-referential-data-to-an-Angular-Tree-Grid:dependabot/npm_and_yarn/databinding/karma-6.3.14Copy head branch name to clipboard