build(deps): bump tree-kill and @angular-devkit/build-angular in /sandbox-app#121

dependabot[bot] wants to merge 1 commit intomasterbriebug/ngrx-entity-schematic:masterfrom

dependabot/npm_and_yarn/sandbox-app/tree-kill-and-angular-devkit/build-angular-1.2.2briebug/ngrx-entity-schematic:dependabot/npm_and_yarn/sandbox-app/tree-kill-and-angular-devkit/build-angular-1.2.2Copy head branch name to clipboard