Bump mp-api from 0.41.2 to 0.42.1 (#963)

Bumps mp-api from 0.41.2 to 0.42.1.

---
updated-dependencies:
- dependency-name: mp-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -94,7 +94,7 @@ strict = [
     "mace-torch>=0.3.3",
     "matgl==1.1.3",
     "monty==2024.7.30",
-    "mp-api==0.41.2",
+    "mp-api==0.42.1",
     "numpy",
     "phonopy==2.27.0",
     "pydantic-settings==2.3.4",