Bump vega-selections from 5.4.1 to 5.6.3 in /tfjs-data/demo/boston-housing#8614

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dependabot/npm_and_yarn/tfjs-data/demo/boston-housing/vega-selections-5.6.3tensorflow/tfjs:dependabot/npm_and_yarn/tfjs-data/demo/boston-housing/vega-selections-5.6.3Copy head branch name to clipboard