python 3.8 is no longer supported by the minimum qiskit version

.github/workflows/test_latest_versions.yml

@@ -20,7 +20,7 @@ jobs:
       max-parallel: 4
       matrix:
         os: [ubuntu-22.04]
-        python-version: ["3.8", "3.13"]
+        python-version: ["3.9", "3.13"]
         include:
           - os: macos-latest
             python-version: "3.13"

.github/workflows/test_minimum_versions.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.8]
+        python-version: [3.9]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}

pyproject.toml

@@ -16,7 +16,6 @@ classifiers = [
     "Operating System :: MacOS",
     "Operating System :: POSIX :: Linux",
     "Operating System :: Microsoft :: Windows",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -25,7 +24,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Physics",
 ]
 
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 
 dependencies = [
     "numpy>=1.23.0",
@@ -95,7 +94,7 @@ remove-unused-variables = true
 remove-all-unused-imports = true
 
 [tool.ruff]
-target-version = "py38"
+target-version = "py39"
 
 [tool.ruff.lint]
 extend-select = ["D"]
@@ -118,7 +117,7 @@ ignore = [
 convention = "google"
 
 [tool.pylint.main]
-py-version = "3.8"
+py-version = "3.9"
 disable = "all"
 enable = [
     "reimported",

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.25
-envlist = py{38,39,310,311,312,313}{,-notebook}, lint, coverage, docs
+envlist = py{39,310,311,312,313}{,-notebook}, lint, coverage, docs
 isolated_build = True
 
 [testenv]
@@ -35,7 +35,7 @@ commands =
   sphinx-alt-text-validator -f qiskit_addon_cutting
   nbqa pylint -rn docs/
 
-[testenv:{,py-,py3-,py38-,py39-,py310-,py311-,py312-,py313-}notebook]
+[testenv:{,py-,py3-,py39-,py310-,py311-,py312-,py313-}notebook]
 extras =
   nbtest
   notebook-dependencies