chore(deps-dev): bump dill from 0.3.8 to 0.3.9

Bumps [dill](https://github.com/uqfoundation/dill) from 0.3.8 to 0.3.9.
- [Release notes](https://github.com/uqfoundation/dill/releases)
- [Commits](uqfoundation/dill@0.3.8...0.3.9)

---
updated-dependencies:
- dependency-name: dill
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -15,7 +15,7 @@ click==8.1.7
 colorama==0.4.6
 cryptography==44.0.0
 Deprecated==1.2.15
-dill==0.3.8
+dill==0.3.9
 docutils==0.20.1
 flit==3.10.1
 flit_core==3.10.1