Don't fail fast on CI (#232)

Author: dkarrasch

.github/workflows/ci.yml

@@ -12,6 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.version == 'nightly' }}
     strategy:
+      fail-fast: false
       matrix:
         version:
           - '1.6'