[ty] Test typeshed LiteralString change for JSON indentation

[AlexWaygood]

Cherry-pick python/typeshed#16402 into ty's vendored stubs to see the ecosystem impact.

[astral-sh-bot]

Typing conformance results

No changes detected ✅

Current numbers

The percentage of diagnostics emitted that were expected errors held steady at 97.85%. The percentage of expected errors that received a diagnostic held steady at 96.99%. The number of fully passing files held steady at 130/145.

[astral-sh-bot]

Memory usage report

Memory usage unchanged ✅

[astral-sh-bot]

ecosystem-analyzer results

Lint rule	Added	Removed	Changed
invalid-argument-type	9	0	1
Total	9	0	1

Flaky changes detected. This PR summary excludes flaky changes; see the HTML report for details.

Raw diff:

altair (https://github.com/vega/altair)
+ altair/vegalite/v6/api.py:2214:13 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `int | str | None`

jax (https://github.com/google/jax)
- jax/experimental/array_serialization/serialization_test.py:948:24 error[invalid-argument-type] Argument to class `partial` is incorrect: Expected `_SerializeAuxData`, found `def dumps(obj: Any, *, skipkeys: bool = False, ensure_ascii: bool = True, check_circular: bool = True, allow_nan: bool = True, cls: type[JSONEncoder] | None = None, indent: None | int | str = None, separators: tuple[str, str] | None = None, default: ((Any, /) -> Any) | None = None, sort_keys: bool = False, **kwds: Any) -> str`
+ jax/experimental/array_serialization/serialization_test.py:948:24 error[invalid-argument-type] Argument to class `partial` is incorrect: Expected `_SerializeAuxData`, found `def dumps(obj: Any, *, skipkeys: bool = False, ensure_ascii: bool = True, check_circular: bool = True, allow_nan: bool = True, cls: type[JSONEncoder] | None = None, indent: None | int | LiteralString = None, separators: tuple[str, str] | None = None, default: ((Any, /) -> Any) | None = None, sort_keys: bool = False, **kwds: Any) -> str`

openlibrary (https://github.com/internetarchive/openlibrary)
+ openlibrary/plugins/upstream/utils.py:287:26 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `int | str | None`
+ openlibrary/solr/utils.py:106:61 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `int | str | None`
+ openlibrary/solr/utils.py:108:58 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `int | str | None`

pip (https://github.com/pypa/pip)
+ src/pip/_vendor/rich/json.py:40:13 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `None | int | str`
+ src/pip/_vendor/rich/json.py:87:13 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `None | int | str`

pydantic (https://github.com/pydantic/pydantic)
+ pydantic/v1/error_wrappers.py:68:42 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `None | int | str`

rich (https://github.com/Textualize/rich)
+ rich/json.py:40:13 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `None | int | str`
+ rich/json.py:87:13 error[invalid-argument-type] Argument to function `dumps` is incorrect: Expected `None | int | LiteralString`, found `None | int | str`

Full report with detailed diff (timing results)