Updated python version to 3.12 in workflow files

Author: marceloprates

.github/workflows/docs.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
       # Ensure mkdocs.yml exists in the repo root
       - name: Check for mkdocs.yml in root
         run: |

.github/workflows/generate-readme.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Install nbconvert
         run: |

.github/workflows/publish-package.yml

@@ -25,10 +25,10 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: Set up Python 3.11
+    - name: Set up Python 3.12
       uses: actions/setup-python@v2
       with:
-        python-version: 3.11
+        python-version: 3.12
 
     - name: Install build and twine
       run: |

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.12"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

.gitignore

@@ -47,3 +47,4 @@ SRTM1/
 # Ignore test and temp files
 *.tmp
 *.tmp.png
+prettymaps/presets/my-preset.json

notebooks/examples.ipynb

@@ -10,7 +10,7 @@
     "\n",
     "![](https://github.com/marceloprates/prettymaps/raw/main/pictures/heerhugowaard.png)\n",
     "\n",
-    "# [![Docs](https://img.shields.io/badge/docs-GitHub%20Pages-blue?logo=github)](https://marceloprates.github.io/prettymaps/) [![PyPI](https://img.shields.io/pypi/v/prettymaps)](https://pypi.org/project/prettymaps/) [![Python](https://img.shields.io/badge/python-3.11%2B-blue)](https://www.python.org/) [![License](https://img.shields.io/badge/license-AGPL%20v3.0-green)](LICENSE)\n",
+    "# [![Docs](https://img.shields.io/badge/docs-GitHub%20Pages-blue?logo=github)](https://marceloprates.github.io/prettymaps/) [![PyPI](https://img.shields.io/pypi/v/prettymaps)](https://pypi.org/project/prettymaps/) [![Python](https://img.shields.io/badge/python-3.12%2B-blue)](https://www.python.org/) [![License](https://img.shields.io/badge/license-AGPL%20v3.0-green)](LICENSE)\n",
     "\n",
     "\n",
     "This work is [licensed](LICENSE) under a GNU Affero General Public License v3.0 (you can make commercial use, distribute and modify this project, but must **disclose** the source code with the license and copyright notice)\n",