Bump wandb from 0.17.2 to 0.18.6

Bumps [wandb](https://github.com/wandb/wandb) from 0.17.2 to 0.18.6.
- [Release notes](https://github.com/wandb/wandb/releases)
- [Changelog](https://github.com/wandb/wandb/blob/main/CHANGELOG.md)
- [Commits](wandb/wandb@v0.17.2...v0.18.6)

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

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

docs/requirements.txt

@@ -6,7 +6,7 @@ tb-nightly
 seaborn
 future
 h5py
-wandb==0.17.2
+wandb==0.18.6
 google-cloud
 google-cloud-storage
 plotly~=5.24.0

requirements.txt

@@ -6,7 +6,7 @@ tb-nightly
 seaborn
 future
 h5py
-wandb==0.17.2
+wandb==0.18.6
 google-cloud
 google-cloud-storage
 plotly~=5.24.0