build(deps): update flit-core requirement

Updates the requirements on [flit-core](https://github.com/pypa/flit) to permit the latest version.

Updates `flit-core` to 3.11.0
- [Changelog](https://github.com/pypa/flit/blob/main/doc/history.rst)
- [Commits](pypa/flit@3.2.0...3.11.0)

---
updated-dependencies:
- dependency-name: flit-core
  dependency-type: direct:production
  dependency-group: general-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["flit_core >=3.2,<3.11"]
+requires = ["flit_core >=3.2,<3.12"]
 build-backend = "flit_core.buildapi"
 
 [project]