infra: drop support for Python 3.8 (#160)

.github/workflows/dependent-tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
         dependent:
           - amazon-braket-default-simulator-python
           - amazon-braket-sdk-python

.github/workflows/python-package.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v3

.readthedocs.yml

@@ -16,7 +16,7 @@ formats:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.8"
+    python: "3.9"
 
 # Optionally set the version of Python and requirements required to build your docs
 python:

README.md

@@ -14,7 +14,7 @@ Amazon Braket Python Schemas is an open source library that contains the schemas
 ## Installation
 
 ### Prerequisites
-- Python 3.8+
+- Python 3.9+
 
 ### Steps
 

setup.py

@@ -23,7 +23,7 @@
     name="amazon-braket-schemas",
     version=version,
     license="Apache License 2.0",
-    python_requires=">= 3.8",
+    python_requires=">= 3.9",
     packages=find_namespace_packages(where="src", exclude=("test",)),
     package_dir={"": "src"},
     install_requires=["pydantic >=1.8.2, <2.0.0"],
@@ -59,7 +59,6 @@
         "Natural Language :: English",
         "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",