feat: Drop support for python 3.9

Author: keelerm84

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4
@@ -48,7 +48,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/manual-publish.yml

@@ -19,7 +19,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install poetry
         run: pipx install poetry

.github/workflows/release-please.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/setup-python@v5
         if: ${{ steps.release.outputs.releases_created == 'true' }}
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install poetry
         if: ${{ steps.release.outputs.releases_created == 'true' }}

pyproject.toml

@@ -12,7 +12,6 @@ classifiers = [
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -27,7 +26,7 @@ packages = [
 
 
 [tool.poetry.dependencies]
-python = "^3.9"
+python = "^3.10"
 openfeature-sdk = ">=0.8.0,<1"
 launchdarkly-server-sdk = "<10"
 
@@ -56,13 +55,13 @@ jinja2 = "3.1.3"
 
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 install_types = true
 non_interactive = true
 
 
 [tool.isort]
-py_version=39
+py_version=310
 
 
 [tool.pytest.ini_options]