build(deps-dev): bump grunt-contrib-concat from 1.0.1 to 2.1.0 in /src/tools/website#5

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dependabot/npm_and_yarn/src/tools/website/grunt-contrib-concat-2.1.0kodebach/libelektra:dependabot/npm_and_yarn/src/tools/website/grunt-contrib-concat-2.1.0Copy head branch name to clipboard