drop python 3.7 support (#242)

.github/workflows/tests.yaml

@@ -1,10 +1,10 @@
 name: Test Suite
 
 on:
-  push:
-    branches: ["master"]
-  pull_request:
-    branches: ["master"]
+    push:
+        branches: ["master"]
+    pull_request:
+        branches: ["master"]
 
 jobs:
     linters:
@@ -14,7 +14,7 @@ jobs:
             - name: Set up Python
               uses: actions/setup-python@v2
               with:
-                  python-version: 3.9
+                  python-version: 3.11
             - name: Install dependencies
               run: |
                   python -m pip install --upgrade pip
@@ -28,7 +28,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+                python-version: ["3.8", "3.9", "3.10", "3.11"]
 
         # Service containers to run with `container-job`
         services:
@@ -73,7 +73,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+                python-version: ["3.8", "3.9", "3.10", "3.11"]
 
         steps:
             - uses: actions/checkout@v2

setup.py

@@ -64,7 +64,7 @@ def extras_require() -> t.Dict[str, t.List[str]]:
     long_description_content_type="text/markdown",
     author="Daniel Townsend",
     author_email="dan@dantownsend.co.uk",
-    python_requires=">=3.7.0",
+    python_requires=">=3.8.0",
     url="https://github.com/piccolo-orm/piccolo_api",
     packages=find_packages(exclude=("tests",)),
     package_data={
@@ -80,7 +80,6 @@ def extras_require() -> t.Dict[str, t.List[str]]:
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",