Bump dpgen from 0.12.1 to 0.13.0 (#49)

Bumps [dpgen](https://github.com/deepmodeling/dpgen) from 0.12.1 to 0.13.0.
- [Release notes](https://github.com/deepmodeling/dpgen/releases)
- [Commits](deepmodeling/dpgen@v0.12.1...v0.13.0)

---
updated-dependencies:
- dependency-name: dpgen
  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>

requirements.txt

@@ -1,5 +1,5 @@
 deepmd-kit[cpu]==2.2.11
-dpgen==0.12.1
+dpgen==0.13.0
 dpdispatcher==0.6.7
 dargs
 dpgen2==0.0.7