ci: don't cancel all jobs when one job fail

Author: consideRatio

.github/workflows/test.yml

@@ -22,6 +22,8 @@ jobs:
     runs-on: ubuntu-20.04
     continue-on-error: ${{ matrix.allow_failure }}
     strategy:
+      # Keep running even if one variation of the job fail
+      fail-fast: false
       matrix:
         python-version:
           - "3.5"