fix periodic workflow (#18)

 to get correct status of matrix job (not 'skipped' or 'cancelled') need to set fail-fast to false

Author: brucehoff

.github/workflows/trivy_periodic_image_scan.yml

@@ -39,6 +39,7 @@ jobs:
         notebook_type:
           - jupyter
           - rstudio
+      fail-fast: false
     uses: "./.github/workflows/trivy.yml"
     with:
       NOTEBOOK_TYPE: ${{ matrix.notebook_type }}