Bump torchpippy from 0.1.1 to 0.2.0

Bumps [torchpippy](https://github.com/pytorch/PiPPy) from 0.1.1 to 0.2.0.
- [Commits](pytorch/PiPPy@v0.1.1...v0.2.0)

---
updated-dependencies:
- dependency-name: torchpippy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: requirements/developer.txt

@@ -13,7 +13,7 @@ pygit2==1.13.3
 pre-commit==3.3.2
 twine==4.0.2
 mypy==1.3.0
-torchpippy==0.1.1
+torchpippy==0.2.0
 intel_extension_for_pytorch==2.2.0; sys_platform != 'win32' and sys_platform != 'darwin'
 onnxruntime==1.17.1
 googleapis-common-protos