Update installation instructions to py311 (#198)

* Update installation instructions to py311

* Update docs/source/documentation/index.md

docs/source/community/developers/index.md

@@ -44,7 +44,7 @@ will create and activate a `conda` environment with the requirements needed
 for a development environment:
 
 ```sh
-conda create -n brainglobe-dev -c conda-forge python=3.10 napari
+conda create -n brainglobe-dev -c conda-forge python=3.11 napari
 conda activate brainglobe-dev
 ```
 

docs/source/documentation/index.md

@@ -3,10 +3,10 @@
 ## Installing BrainGlobe
 
 We always recommend that you install BrainGlobe tools into a virtual environment (managed by software such as `conda` or `venv`).
-Your environment should run Python 3.9 or 3.10. To specify the Python version for new conda environment, add it as a parameter on creation:
+Your environment should run Python 3.10, 3.11 or 3.12. To specify the Python version for new conda environment, add it as a parameter on creation:
 
 ```bash
-conda create -n brainglobe-env python=3.10
+conda create -n brainglobe-env python=3.11
 ```
 
 Once you have created and activated your desired environment, you can install all BrainGlobe tools using `pip`:

docs/source/documentation/setting-up/conda.md

@@ -66,14 +66,14 @@ The `(base)` is the bit that tells you that conda is set up
 Open a terminal (or Anaconda Prompt) and type:
 
 ```bash
-conda create --name ENV_NAME python=3.10
+conda create --name ENV_NAME python=3.11
 ```
 
 This will:
 
 * Create a new conda environment (a kind of walled-off area on your computer that shouldn't affect other parts)
 * Call it something, so you can reference it later (replace `ENV_NAME` with something useful)
-* Install python version 3.10 into it
+* Install python version 3.11 into it