#### Allow break import attributes into multiple lines (#17329 by @fisker)

<!-- prettier-ignore -->
```jsx
// Input
import syntaxImportAssertions from "@babel/plugin-syntax-import-assertions" with {
  BABEL_8_BREAKING: "false",
  USE_ESM: "true", IS_STANDALONE: "false" };

// Prettier stable
import syntaxImportAssertions from "@babel/plugin-syntax-import-assertions" with { BABEL_8_BREAKING: "false", USE_ESM: "true", IS_STANDALONE: "false" };

// Prettier main
import syntaxImportAssertions from "@babel/plugin-syntax-import-assertions" with {
  BABEL_8_BREAKING: "false",
  USE_ESM: "true",
  IS_STANDALONE: "false",
};
```