chore(deps): update actions/download-artifact action to v5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -41,15 +41,15 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: Code coverage ubuntu-latest
           path: coverage-ubuntu
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: Code coverage windows-latest
           path: coverage-windows
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: Code coverage macos-latest
           path: coverage-macos
@@ -95,7 +95,7 @@ jobs:
           fetch-depth: 0
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v5
         with:
           name: NuGet packages
           path: packages