Updates dockerfile

node_modules/@emmetio/html-matcher/dist/scan.d.ts

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+import { FastScanCallback, ScannerOptions } from './utils';
+/**
+ * Performs fast scan of given source code: for each tag found it invokes callback
+ * with tag name, its type (open, close, self-close) and range in original source.
+ * Unlike regular scanner, fast scanner doesn’t provide info about attributes to
+ * reduce object allocations hence increase performance.
+ * If `callback` returns `false`, scanner stops parsing.
+ * @param special List of “special” HTML tags which should be ignored. Most likely
+ * it’s a "script" and "style" tags.
+ */
+export default function scan(source: string, callback: FastScanCallback, options?: ScannerOptions): void;