disabling fail-fast for troubleshooting

Author: LukasAud

.github/workflows/ci.yml

@@ -11,6 +11,7 @@ jobs:
     name: Linux, Puppet ${{ matrix.cfg.puppet_version }}, Ruby ${{ matrix.cfg.ruby }}
     runs-on: ubuntu-22.04
     strategy:
+      fail-fast: false
       matrix:
         cfg:
           - {puppet_version: '7', ruby: '2.7'}