feat: drop support for Python 3.8

Author: jackwotherspoon

.github/workflows/tests.yml

@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, windows-latest, ubuntu-latest]
-        python-version: ["3.8", "3.12"]
+        python-version: ["3.9", "3.12"]
       fail-fast: false
     permissions:
       contents: read
@@ -134,7 +134,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.12"]
+        python-version: ["3.9", "3.12"]
       fail-fast: false
     permissions:
       contents: read

.mypy.ini

@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.8
+python_version = 3.9
 warn_unused_configs = True
 namespace_packages = True
 

noxfile.py

@@ -14,7 +14,6 @@
 limitations under the License.
 """
 
-
 from __future__ import absolute_import
 
 import os
@@ -26,7 +25,7 @@
 
 LINT_PATHS = ["google", "tests", "noxfile.py", "setup.py"]
 
-TEST_PYTHON_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+TEST_PYTHON_VERSIONS = ["3.9", "3.10", "3.11", "3.12"]
 
 
 @nox.session

setup.py

@@ -67,7 +67,6 @@
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
@@ -82,7 +81,7 @@
         "pytds": ["python-tds>=1.15.0"],
         "asyncpg": ["asyncpg>=0.29.0"],
     },
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     include_package_data=True,
     zip_safe=False,
     package_data={"google.cloud.sql.connector": ["py.typed"]},