Bump loader-utils, @angular-devkit/build-angular, istanbul-instrumenter-loader, less-loader, source-map-loader and stylus-loader#21

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dependabot/npm_and_yarn/loader-utils-and-angular-devkit/build-angular-and-istanbul-instrumenter-loader-and-less-loader-and-source-map-loader-and-stylus-loader-1.4.1dimaxweb/flickr-pwa:dependabot/npm_and_yarn/loader-utils-and-angular-devkit/build-angular-and-istanbul-instrumenter-loader-and-less-loader-and-source-map-loader-and-stylus-loader-1.4.1Copy head branch name to clipboard