Bump optimum-intel[nncf,openvino]

Bumps [optimum-intel[nncf,openvino]](https://github.com/huggingface/optimum-intel) from 1.12.4 to 1.15.0.
- [Release notes](https://github.com/huggingface/optimum-intel/releases)
- [Commits](huggingface/optimum-intel@v1.12.4...v1.15.0)

---
updated-dependencies:
- dependency-name: optimum-intel[nncf,openvino]
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

image_generation/lcm_dreamshaper_v7/cpp/scripts/requirements.txt

@@ -1,4 +1,4 @@
 --extra-index-url https://download.pytorch.org/whl/cpu
 torch==2.1.2+cpu
 diffusers==0.25.1
-optimum-intel[nncf,openvino]==1.12.4
+optimum-intel[nncf,openvino]==1.15.0