Add tests on merging of PRs and update readme to show we do not suppo…

…rt for Python 3.7

.github/workflows/test-linux-windows.yml

@@ -2,8 +2,9 @@ name: tests
 
 on:
   pull_request:
-    branches:
-    - main
+    branches: ["main"]
+  push:
+    branches: ["main"]
 
 env:
   TESTING: 1

.github/workflows/tests-mac.yml

@@ -3,8 +3,9 @@ name: tests for mac
 
 on:
   pull_request:
-    branches:
-    - main
+    branches: ["main"]
+  push:
+    branches: ["main"]
 
 env:
   TESTING: 1

README.md

@@ -10,7 +10,7 @@ Parsons offers simplified interactions with these services and tools, including
 
 This project is maintained by [The Movement Cooperative](https://movementcooperative.org/) and is named after [Lucy Parsons](https://en.wikipedia.org/wiki/Lucy_Parsons). The Movement Cooperative is a member-led organization focused on providing data, tools, and strategic support for the progressive community.
 
-Parsons is only compatible with Python 3.7-10
+Parsons is only supported for Python 3.8-10.
 
 ## Table of Contents
 - [License and Usage](#license-and-usage)