Add uv.lock for experimental/dms (#964)

For nspect scanning, we need `uv.lock` with each `pyproject.toml`

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## Summary by CodeRabbit

* **Chores**
  * Updated dependency management and lock configuration settings.

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Signed-off-by: Keval Morabia <28916987+kevalmorabia97@users.noreply.github.com>

Author: kevalmorabia97

experimental/dms/pyproject.toml

@@ -7,6 +7,7 @@ name = "dms"
 version = "0.1.0"
 requires-python = ">=3.10,<3.14"
 description = "Dynamic Memory Sparsification (DMS) for KV cache compression"
+# NOTE: Run `uv lock --upgrade` in this directory to update the dependencies for vulnerability scanning.
 dependencies = [
     "transformers==4.57.3",
     "datasets==4.4.2",
@@ -24,3 +25,7 @@ filterwarnings = [
     "ignore::DeprecationWarning",
     "ignore:flex_attention called without torch.compile:UserWarning",
 ]
+
+[tool.uv]
+managed = true
+override-dependencies = ["torch; sys_platform == 'never'"]