Remove obsolete "cache on error" in CI.yml

Author: goerz

.github/workflows/ci.yml

@@ -48,14 +48,6 @@ jobs:
         with:
           files: lcov.info
           token: ${{ secrets.CODECOV_TOKEN }}
-      - name: Save Julia depot cache on cancel or failure
-        id: julia-cache-save
-        if: cancelled() || failure()
-        uses: actions/cache/save@v5
-        with:
-          path: |
-            ${{ steps.julia-cache.outputs.cache-paths }}
-          key: ${{ steps.julia-cache.outputs.cache-key }}
       - uses: actions/upload-artifact@v7
         with:
           name: manifest-${{ matrix.os }}
@@ -92,14 +84,6 @@ jobs:
         shell: julia --color=yes --project=test {0}
         run: |
           include(joinpath(pwd(), "test", "runtests.jl"))
-      - name: Save Julia depot cache on cancel or failure
-        id: julia-cache-save
-        if: cancelled() || failure()
-        uses: actions/cache/save@v5
-        with:
-          path: |
-            ${{ steps.julia-cache.outputs.cache-paths }}
-          key: ${{ steps.julia-cache.outputs.cache-key }}
   docs:
     name: Documentation
     runs-on: ubuntu-latest