Bump actions/download-artifact from 5 to 6 (#3955)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/nightly_release.yml

@@ -60,7 +60,7 @@ jobs:
 
     steps:
       - name: Download NuGet Artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: NuGets
           path: nugets

.github/workflows/release.yml

@@ -90,7 +90,7 @@ jobs:
                   fetch-depth: 0
 
             - name: Download NuGet Artifacts
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: NuGets
                   path: nugets
@@ -124,13 +124,13 @@ jobs:
 
         steps:
             - name: Download NuGet Artifacts
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: NuGets
                   path: nugets
 
             - name: Download Demo App Artifacts
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: DemoApp
                   path: demo-app
@@ -139,7 +139,7 @@ jobs:
               run: zip -r DemoApp.zip demo-app/*
 
             - name: Download Release Notes
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: ReleaseNotes
 
@@ -161,7 +161,7 @@ jobs:
                   repository: ${{ github.repository }}.wiki
 
             - name: Download Icon Changes
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: IconChanges
                   path: icon-changes
@@ -224,7 +224,7 @@ jobs:
 
         steps:
             - name: Download NuGet Artifacts
-              uses: actions/download-artifact@v5
+              uses: actions/download-artifact@v6
               with:
                   name: NuGets
                   path: nugets