Save cache

Author: giordano

.github/workflows/build-reactant-reusable.yml

@@ -279,3 +279,11 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ steps.generate_token.outputs.token }}
           JULIA_DEBUG: BinaryBuilder
+      - name: Save Julia depot cache on cancel or failure
+        id: julia-cache-save
+        if: cancelled() || failure()
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ${{ steps.julia-cache.outputs.cache-paths }}
+          key: ${{ steps.julia-cache.outputs.cache-key }}