add option to run the other elements of the testing matrix if one fails

Author: ThibHlln

.github/workflows/tests.yml

@@ -14,6 +14,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         python-version: [3.7, 3.8, 3.9]
+      fail-fast: false
 
     runs-on: ${{ matrix.os }}