Specify Ubuntu version

Set Ubuntu version to work with Python 3.7

Author: GreyNewfie

.github/workflows/ci.yml

@@ -11,10 +11,10 @@ on:
 
 jobs:
     ci:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-22.04
         strategy:
             matrix:
-                python-version: [ 3.7.1, 3.8, 3.9]
+                python-version: [ 3.7, 3.8, 3.9]
 
         steps:
             - uses: actions/checkout@v2

.github/workflows/pullRequest.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
     ci:
-        runs-on: ubuntu-latest
+        runs-on: ubuntu-22.04
         strategy:
             matrix:
                 python-version: [ 3.7, 3.8, 3.9]