Bump cluster-tools from 1.29 to 1.33 (#110)

Bumps [cluster-tools](https://github.com/scalableminds/cluster_tools) from 1.29 to 1.33.
- [Release notes](https://github.com/scalableminds/cluster_tools/releases)
- [Commits](scalableminds/cluster_tools@v1.29...v1.33)

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

requirements.txt

@@ -6,4 +6,4 @@ pytest
 wkw==0.0.6
 requests
 black
-cluster_tools==1.29
+cluster_tools==1.33

setup.py

@@ -5,7 +5,7 @@
     packages=find_packages(exclude=("tests",)),
     use_scm_version=True,
     setup_requires=['setuptools_scm'],
-    install_requires=["scipy", "numpy", "pillow", "pyyaml", "wkw", "cluster_tools==1.29"],
+    install_requires=["scipy", "numpy", "pillow", "pyyaml", "wkw", "cluster_tools==1.33"],
     description="A cubing tool for webKnossos",
     author="Norman Rzepka",
     author_email="norman.rzepka@scalableminds.com",