Fix CI regression test for contract sizes (#2445)

* Remove `df -h`

* Use download-artifact GHA

Author: cmichi

.github/workflows/ci.yml

@@ -702,11 +702,9 @@ jobs:
                 # needed for `mapping::e2e_tests::fallible_storage_methods_work`
                 INK_STATIC_BUFFER_SIZE: 256
             run:
-                df -h;
                 rustup toolchain remove nightly-2025-02-20;
                 rustup toolchain remove stable;
                 rustup toolchain remove 1.85.0;
-                df -h;
                 cargo +nightly test --all-features --all --manifest-path integration-tests/internal/mapping/Cargo.toml
 
   examples-custom-test:

.github/workflows/submit-contract-sizes.yml

@@ -25,11 +25,17 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Download Master Contract Sizes
-        uses: ./.github/download-artifact
+      #- name: Download Master Contract Sizes
+        #uses: ./.github/download-artifact
+        #with:
+          #GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          #ARTIFACT_NAME: measurements-master
+
+      - name: Download artifact
+        uses: dawidd6/action-download-artifact@v9
         with:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ARTIFACT_NAME: measurements-master
+          branch: master
+          name: measurements-master
 
       - name: Extract branch name
         shell: bash