build(deps): bump python lower bound from 3.8 to 3.9

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.12"
 
       - name: Upgrade pip
         run: |

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.12"
 
       - name: Install dependencies
         run: |

README.md

@@ -280,13 +280,13 @@ poetry install
 pre-commit install
 ```
 
-Before committing new changes to a branch you may run the full test suite with:
-
-```bash
-nox
-```
-
-You will need [Poetry], [nox] and [nox-poetry] installed for this.
+<!-- Before committing new changes to a branch you may run the full test suite with: -->
+<!---->
+<!-- ```bash -->
+<!-- nox -->
+<!-- ``` -->
+<!---->
+<!-- You will need [Poetry], [nox] and [nox-poetry] installed for this. -->
 
 [common-ncl]: http://svn.code.sf.net/p/codescripts/code/trunk/ncl/lib/common.ncl
 [coord-file]: https://svn-ccsm-inputdata.cgd.ucar.edu/trunk/inputdata/atm/cam/coords/

pyproject.toml

@@ -12,7 +12,7 @@ view-frc = "volcano_cooking.view_force:main"
 sfrc-sparse2lin = "volcano_cooking.sparse_to_lin:main"
 
 [tool.poetry.dependencies]
-python = ">=3.8,<3.13"
+python = ">=3.9,<3.13"
 numpy = "^1.21.1"
 scipy = "^1.7.1"
 matplotlib = "^3.4.2"