build: bump core from cd4b6e2 to c4f8193 in the submodules group

Bumps the submodules group with 1 update: [core](https://github.com/tree-sitter/tree-sitter).


Updates `core` from `cd4b6e2` to `c4f8193`
- [Release notes](https://github.com/tree-sitter/tree-sitter/releases)
- [Commits](tree-sitter/tree-sitter@cd4b6e2...c4f8193)

---
updated-dependencies:
- dependency-name: core
  dependency-version: c4f81931e6f0ba5d065712683c16272ebb6cc86e
  dependency-type: direct:production
  dependency-group: submodules
...

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

Author: dependabot[bot]