chore(deps): update dependency angular-html-parser to v7 (#16702)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>

src/language-html/parser-html.js

@@ -365,7 +365,6 @@ function parse(
     const start = new ParseLocation(file, 0, 0, 0);
     const end = start.moveBy(frontMatter.raw.length);
     frontMatter.sourceSpan = new ParseSourceSpan(start, end);
-    // @ts-expect-error -- not a real AstNode
     rawAst.children.unshift(frontMatter);
   }