chore(deps): update pre-commit hook kynan/nbstripout to v0.9.0

| datasource  | package          | from  | to    |
| ----------- | ---------------- | ----- | ----- |
| github-tags | kynan/nbstripout | 0.8.2 | 0.9.0 |

Author: dreadnode-renovate-bot[bot]

.pre-commit-config.yaml

@@ -53,7 +53,7 @@ repos:
 
   # Clean jupyter notebook outputs
   - repo: https://github.com/kynan/nbstripout
-    rev: 0.8.2
+    rev: 0.9.0
     hooks:
       - id: nbstripout
         args: [--keep-id]