support 3.9 to 3.12 (#47)

.github/workflows/pypi.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     runs-on: ${{matrix.platform}}
     steps:
     - name: Checkout

pyproject.toml

@@ -7,7 +7,7 @@ name = "awkward-pandas"
 description = "Awkward Array Pandas Extension"
 readme = "README.md"
 license = "BSD-3-Clause"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "Doug Davis", email = "ddavis@ddavis.io" },
     { name = "Martin Durant", email = "mdurant@anaconda.com" },
@@ -21,10 +21,10 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "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",
     "Topic :: Scientific/Engineering",
 ]
 dependencies = [
@@ -91,7 +91,7 @@ line_length = 88
 src_paths = ["src", "tests"]
 
 [tool.mypy]
-python_version = "3.8"
+python_version = "3.9"
 files = ["src", "tests"]
 warn_unused_configs = true
 show_error_codes = true