Remove Python 3.9 support (#705)

Author: DavidMStraub

.github/workflows/pypi.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: [3.13]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: ["3.9", "3.13"]
+        python-version: ["3.10", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}

pyproject.toml

@@ -13,7 +13,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Operating System :: OS Independent",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "gramps[all]>=6.0.4,<6.1.0",
     "PYGObject<=3.50.0",