chore(deps-dev): bump flit-core in the flit group across 1 directory

Bumps the flit group with 1 update in the / directory: [flit-core](https://github.com/pypa/flit).


Updates `flit-core` from 3.10 to 3.12.0
- [Changelog](https://github.com/pypa/flit/blob/main/doc/history.rst)
- [Commits](pypa/flit@3.10.0...3.12.0)

---
updated-dependencies:
- dependency-name: flit-core
  dependency-version: 3.12.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: flit
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
 # When ESRP Release supports License-Expression, update flit_core to use >=3.2,<4
-requires = ["flit_core==3.10"]
+requires = ["flit_core==3.12.0"]
 build-backend = "flit_core.buildapi"
 
 [project]