remove Python 3.8 and 3.9 from the generated package

Author: fdiblen

template/.github/workflows/{% if AddGitHubActions %}build.yml{% endif %}

@@ -14,10 +14,10 @@ jobs:
     name: Build for (${{ '{{ ' -}} matrix.python-version }}, ${{ '{{ ' -}} matrix.os }})
     runs-on: ${{ '{{ ' -}} matrix.os }}
     strategy:
-      fail-fast: false
+      fail-fast: true
       matrix:
         os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ '{{ ' -}} matrix.python-version }}

template/project_setup.md.jinja

@@ -11,8 +11,6 @@ checklist](https://guide.esciencecenter.nl/#/best_practices/checklist).
 
 This repository is set up with Python versions:
 
-- 3.8
-- 3.9
 - 3.10
 - 3.11
 - 3.12

template/pyproject.toml.jinja

@@ -24,8 +24,6 @@ classifiers = [
     }[license] }}",
     "Natural Language :: English",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",