Bump traitlets from 5.10.1 to 5.11.2 in /config/requirements

Bumps [traitlets](https://github.com/ipython/traitlets) from 5.10.1 to 5.11.2.
- [Release notes](https://github.com/ipython/traitlets/releases)
- [Changelog](https://github.com/ipython/traitlets/blob/main/CHANGELOG.md)
- [Commits](ipython/traitlets@v5.10.1...v5.11.2)

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

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

config/requirements/dev_lock.txt

@@ -1426,9 +1426,9 @@ tqdm==4.66.1 \
     --hash=sha256:d302b3c5b53d47bce91fea46679d9c3c6508cf6332229aa1e7d8653723793386 \
     --hash=sha256:d88e651f9db8d8551a62556d3cff9e3034274ca5d66e93197cf2490e2dcb69c7
     # via djlint
-traitlets==5.10.1 \
-    --hash=sha256:07ab9c5bf8a0499fd7b088ba51be899c90ffc936ffc797d7b6907fc516bcd116 \
-    --hash=sha256:db9c4aa58139c3ba850101913915c042bdba86f7c8a0dda1c6f7f92c5da8e542
+traitlets==5.11.2 \
+    --hash=sha256:7564b5bf8d38c40fa45498072bf4dc5e8346eb087bbf1e2ae2d8774f6a0f078e \
+    --hash=sha256:98277f247f18b2c5cabaf4af369187754f4fb0e85911d473f72329db8a7f4fae
     # via
     #   ipython
     #   matplotlib-inline