[TypeScript]Keep a trailing comma on tuple types

[sosukesuzuki]

Fix #5846.

TypeScript trailing comma on tuple types is allowed from microsoft/TypeScript#28919.
Keep a trailing comma on tuple types when trailing-comma option is all.

// Input
export type Foo = [
  number,
  number, // comment
];
 // Output (Before)
export type Foo = [
  number,
  number // comment
];
 // Output (After);
export type Foo = [
  number,
  number, // comment
];

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