delete python3.7 checks in CI and tox

Author: vyuroshchin

.github/workflows/main.yml

@@ -8,11 +8,6 @@ jobs:
       fail-fast: false
       matrix:
         python:
-          - v: "3.7"
-            tox_env: "py37"
-          - v: "3.7"
-            tox_env: "py37"
-            pre_releases: "--pre"
           - v: "3.8"
             tox_env: "py38"
           - v: "3.9"

tox.ini

@@ -3,7 +3,7 @@ minversion = 7.0
 addopts = -ra
 
 [tox]
-envlist = py37,py38,py39,py310,py311,py312,py313,py314,pypy3
+envlist = py38,py39,py310,py311,py312,py313,py314,pypy3
 
 [testenv]
 deps = pytest