chore(deps): bump flit-core in /.github/requirements (#12679)

Bumps [flit-core](https://github.com/pypa/flit) from 3.11.0 to 3.12.0.
- [Changelog](https://github.com/pypa/flit/blob/main/doc/history.rst)
- [Commits](pypa/flit@3.11.0...3.12.0)

---
updated-dependencies:
- dependency-name: flit-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/requirements/build-requirements.txt

@@ -69,9 +69,9 @@ cffi==1.17.1 ; platform_python_implementation != 'PyPy' \
     --hash=sha256:f7f5baafcc48261359e14bcd6d9bff6d4b28d9103847c9e136694cb0501aef87 \
     --hash=sha256:fc48c783f9c87e60831201f2cce7f3b2e4846bf4d8728eabe54d60700b318a0b
     # via -r build-requirements.in
-flit-core==3.11.0 \
-    --hash=sha256:6ceeee3219e9d2ea282041f3e027c441597b450b33007cb81168e887b6113a8f \
-    --hash=sha256:fe464c086f630f106c0fc5001ee377980f45938f03f8f0d03da08a4841748541
+flit-core==3.12.0 \
+    --hash=sha256:18f63100d6f94385c6ed57a72073443e1a71a4acb4339491615d0f16d6ff01b2 \
+    --hash=sha256:e7a0304069ea895172e3c7bb703292e992c5d1555dd1233ab7b5621b5b69e62c
     # via -r build-requirements.in
 maturin==1.8.3 \
     --hash=sha256:11564fac7486313b7baf3aa4e82c20e1b20364aad3fde2ccbc4c07693c0b7e16 \