Drop tests/support for 3.5 and 3.6

Author: amyreese

.github/workflows/build.yml

@@ -15,11 +15,6 @@ jobs:
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
         os: [macOS-latest, ubuntu-latest, windows-latest]
-        include:
-          - python-version: "3.5"
-            os: ubuntu-latest
-          - python-version: "3.6"
-            os: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3

README.md

@@ -8,7 +8,7 @@ Google's [Diff Match and Patch][DMP] library, packaged for modern Python.
 
 ## Install
 
-diff-match-patch is supported on Python 3.5 or newer.
+diff-match-patch is supported on Python 3.7 or newer.
 You can install it from PyPI:
 
 ```shell

pyproject.toml

@@ -20,7 +20,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries",
     "Topic :: Text Processing",
 ]
-requires-python = ">=3.5"
+requires-python = ">=3.7"
 dependencies = []
 
 [project.optional-dependencies]
@@ -48,4 +48,4 @@ signed_tags = true
 version_file = true
 
 [tool.mypy]
-python_version = "3.6"
+python_version = "3.7"