[pre-commit.ci] pre-commit autoupdate (#147)

updates:
- [github.com/kynan/nbstripout: 0.7.1 → 0.8.1](kynan/nbstripout@0.7.1...0.8.1)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -16,7 +16,7 @@ repos:
     hooks:
       - id: black-jupyter
   - repo: https://github.com/kynan/nbstripout
-    rev: "0.7.1"
+    rev: "0.8.1"
     hooks:
       - id: nbstripout
   - repo: https://github.com/hadialqattan/pycln