dune-project: fmt 1.2 is supported from dune 1.11
While vendoring this library I have a message:
3 | (using fmt 1.2)
^^^
Warning: Version 1.2 of integration with automatic formatters is not
supported until version 1.11 of the dune language.
Supported versions of this extension in version 1.7 of the dune language:
- 1.0 to 1.1