Rename nox task clean-docs to docs:clean

Author: Nicoretti

doc/user_guide/getting_started.rst

@@ -193,7 +193,7 @@ You are ready to use the toolbox. With *nox -l* you can list all available tasks
     - coverage -> Runs all tests (unit + integration) and reports the code coverage
     - docs:build -> Builds the project documentation
     - docs:open -> Opens the built project documentation
-    - clean-docs -> Removes the documentations build folder
+    - docs:clean -> Removes the documentations build folder
     - report -> Collects and generates a metrics summary for the workspace
 
     sessions marked with * are selected, sessions marked with - are skipped.

exasol/toolbox/nox/_documentation.py

@@ -59,7 +59,7 @@ def open_docs(session: Session) -> None:
     webbrowser.open_new_tab(index.as_uri())
 
 
-@nox.session(name="clean-docs", python=False)
+@nox.session(name="docs:clean", python=False)
 def clean_docs(_session: Session) -> None:
     """Removes the documentations build folder"""
     docs_folder = PROJECT_CONFIG.root / DOCS_OUTPUT_DIR