Bump the dev-dependencies group with 6 updates (#6)

Bumps the dev-dependencies group with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [pytest](https://github.com/pytest-dev/pytest) | `8.3.5` | `9.0.2` |
| [pytest-cov](https://github.com/pytest-dev/pytest-cov) | `6.0.0` | `7.0.0` |
| [mypy](https://github.com/python/mypy) | `1.14.1` | `1.19.1` |
| [ruff](https://github.com/astral-sh/ruff) | `0.9.2` | `0.14.11` |
| [pre-commit](https://github.com/pre-commit/pre-commit) | `4.0.1` | `4.5.1` |
| [nbstripout](https://github.com/kynan/nbstripout) | `0.8.1` | `0.8.2` |


Updates `pytest` from 8.3.5 to 9.0.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...9.0.2)

Updates `pytest-cov` from 6.0.0 to 7.0.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.0.0...v7.0.0)

Updates `mypy` from 1.14.1 to 1.19.1
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.14.1...v1.19.1)

Updates `ruff` from 0.9.2 to 0.14.11
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.9.2...0.14.11)

Updates `pre-commit` from 4.0.1 to 4.5.1
- [Release notes](https://github.com/pre-commit/pre-commit/releases)
- [Changelog](https://github.com/pre-commit/pre-commit/blob/main/CHANGELOG.md)
- [Commits](pre-commit/pre-commit@v4.0.1...v4.5.1)

Updates `nbstripout` from 0.8.1 to 0.8.2
- [Release notes](https://github.com/kynan/nbstripout/releases)
- [Changelog](https://github.com/kynan/nbstripout/blob/main/CHANGELOG.md)
- [Commits](kynan/nbstripout@0.8.1...0.8.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
- dependency-name: pytest-cov
  dependency-version: 7.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
- dependency-name: mypy
  dependency-version: 1.19.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: ruff
  dependency-version: 0.14.11
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: pre-commit
  dependency-version: 4.5.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: nbstripout
  dependency-version: 0.8.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -32,12 +32,12 @@ Repository = "https://github.com/FBumann/xarray_plotly"
 
 [project.optional-dependencies]
 dev = [
-    "pytest==8.3.5",
-    "pytest-cov==6.0.0",
-    "mypy==1.14.1",
-    "ruff==0.9.2",
-    "pre-commit==4.0.1",
-    "nbstripout==0.8.1",
+    "pytest==9.0.2",
+    "pytest-cov==7.0.0",
+    "mypy==1.19.1",
+    "ruff==0.14.11",
+    "pre-commit==4.5.1",
+    "nbstripout==0.8.2",
 ]
 docs = [
     "mkdocs==1.6.1",