Update python versioning in docs (#3059)

* remove outdated warning

* remove 3.8 traces

* lint

* revert 3.8 removal

.github/workflows/ci-slow.yml

@@ -297,12 +297,16 @@ jobs:
             python-version: '3.10'
           - test_environment: docker-server-docker-orchestrator-mysql
             python-version: '3.11'
+          - test_environment: docker-server-docker-orchestrator-mysql
+            python-version: '3.12'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.9'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.10'
           - test_environment: docker-server-docker-orchestrator-mariadb
             python-version: '3.11'
+          - test_environment: docker-server-docker-orchestrator-mariadb
+            python-version: '3.12'
       fail-fast: false
     uses: ./.github/workflows/integration-test-slow.yml
     with:

README.md

@@ -86,7 +86,7 @@ Thank you for your support! 🌟
 ## 🤸 Quickstart
 [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/zenml-io/zenml/blob/main/examples/quickstart/quickstart.ipynb)
 
-[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.8 - 3.11 is required:
+[Install ZenML](https://docs.zenml.io/getting-started/installation) via [PyPI](https://pypi.org/project/zenml/). Python 3.8 - 3.12 is required:
 
 ```bash
 pip install "zenml[server]" notebook

docs/book/component-guide/orchestrators/skypilot-vm.md

@@ -10,10 +10,6 @@ The SkyPilot VM Orchestrator is an integration provided by ZenML that allows you
 This component is only meant to be used within the context of a [remote ZenML deployment scenario](../../getting-started/deploying-zenml/README.md). Usage with a local ZenML deployment may lead to unexpected behavior!
 {% endhint %}
 
-{% hint style="warning" %}
-SkyPilot VM Orchestrator is currently supported only for Python 3.8 and 3.9.
-{% endhint %}
-
 ## When to use it
 
 You should use the SkyPilot VM Orchestrator if:

docs/book/getting-started/installation.md

@@ -11,7 +11,7 @@ pip install zenml
 ```
 
 {% hint style="warning" %}
-Note that ZenML currently supports **Python 3.8, 3.9, 3.10, and 3.11**. Please make sure that you are using a supported Python version.
+Note that ZenML currently supports **Python 3.8, 3.9, 3.10, 3.11 and 3.12**. Please make sure that you are using a supported Python version.
 {% endhint %}
 
 ## Install with the dashboard