mypy: `fixed_format_cache` missing in schema

[tsvikas]

Area with issue?

JSON Schema

✔️ Expected Behavior

the new fixed_format_cache in mypy 1.18.1 is not supported yet
see info

❌ Actual Behavior

key is missing from the schema

JSON, YAML, or TOML file that does not work.

src/schemas/json/partial-mypy.json

IDE or code editor.

None

Are you making a PR for this?

No, someone else must create the PR.