Integrate TF at tensorflow/tensorflow@1454ee0907ee

Updates TF to
[1454ee0907ee](https://github.com/tensorflow/tensorflow/commit/1454ee0907ee)
matching
[bfd7ee92ccec](https://github.com/llvm/llvm-project/commit/bfd7ee92ccec)
and copies over the LLVM BUILD files.

`./scripts/git/update_to_llvm_syncpoint.py`

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

COPYBARA_INTEGRATE_REVIEW=https://github.com/google/iree/pull/3323 from google:auto_submodule_update 5fd4cc74c8c4857537a641cb6a619949355269b3
PiperOrigin-RevId: 335035559

SUBMODULE_VERSIONS

diff --git a/SUBMODULE_VERSIONS b/SUBMODULE_VERSIONS
index 71317b6..006a608 100644
--- a/SUBMODULE_VERSIONS
+++ b/SUBMODULE_VERSIONS
@@ -14,7 +14,7 @@
 685f86471e9d26b3eb7676695a2e2cefb4551ae9 third_party/spirv_cross
 f8bf11a0253a32375c32cad92c841237b96696c0 third_party/spirv_headers
 57eb48aed36160c4876bc8310d9ca84d42ee9e2a third_party/swiftshader
-7ea86e9de8a5b6426e7291e0e5477ddaee83ba88 third_party/tensorflow
+1454ee0907ee3e71030d7123595fa5487f23a56d third_party/tensorflow
 864d86e8b6d21449474db5e9313dbff90aa9c24f third_party/tracy
 9bd3f561bcee3f01d22912de10bb07ce4e23d378 third_party/vulkan_headers
 909f36b714c9239ee0b112a321220213a474ba53 third_party/vulkan_memory_allocator