Bump orbax-checkpoint from 0.7.0 to 0.8.0 (#85)

Bumps [orbax-checkpoint](https://github.com/google/orbax) from 0.7.0 to 0.8.0.
- [Release notes](https://github.com/google/orbax/releases)
- [Changelog](https://github.com/google/orbax/blob/main/CHANGELOG.md)
- [Commits](google/orbax@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: orbax-checkpoint
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pyproject.toml

@@ -19,7 +19,7 @@ dependencies = [
     "flax==0.10.0",
     "ml_dtypes==0.4.0",
     "optax==0.2.3",
-    "orbax-checkpoint==0.7.0",
+    "orbax-checkpoint==0.8.0",
     "orbax-export==0.0.5",
 ]