Update openvino-tokenizers requirement in /samples

Updates the requirements on [openvino-tokenizers](https://github.com/openvinotoolkit/openvino_tokenizers) to permit the latest version.
- [Release notes](https://github.com/openvinotoolkit/openvino_tokenizers/releases)
- [Commits](https://github.com/openvinotoolkit/openvino_tokenizers/commits)

---
updated-dependencies:
- dependency-name: openvino-tokenizers
  dependency-type: direct:production
...

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

Author: dependabot[bot]

samples/export-requirements.txt

@@ -1,6 +1,6 @@
 --extra-index-url https://download.pytorch.org/whl/cpu
 --extra-index-url https://storage.openvinotoolkit.org/simple/wheels/nightly
-openvino-tokenizers~=2025.0.0.0.dev
+openvino-tokenizers~=2025.1.0.0.dev20250116
 optimum-intel @ git+https://github.com/huggingface/optimum-intel.git
 numpy<2.0.0; sys_platform == 'darwin'
 einops==0.8.0  # For Qwen