Display npm log on failure

.github/workflows/front-end.yml

@@ -63,6 +63,11 @@ jobs:
             name: "Install all dependencies"
             run: "npm ci"
             #run: "yarn install --non-interactive --pure-lockfile"
+        -
+            name: "Display log on failure"
+            if: "${{ failure() }}"
+            run: |
+                cat $(npm config get cache)/_logs/*
         -
             name: "Check JavaScript files for syntax errors"
             run: |