Synchronize submodules with LLVM at llvm/llvm-project@d046fb62b7e7

Updates LLVM dependencies to match
[d046fb62b7e7](https://github.com/llvm/llvm-project/commit/d046fb62b7e7).
- TensorFlow to
[0e956f76c739](https://github.com/tensorflow/tensorflow/commit/0e956f76c739)
- MLIR-HLO to
[5a6c67a5c321](https://github.com/tensorflow/mlir-hlo/commit/${MLIR_HLO_SHA?})

`./scripts/git/update_to_llvm_syncpoint.py`

Automated submodule bump from .github/workflows/update_llvm_dependent_submodules.yml

PiperOrigin-RevId: 385170462