Bump dawidd6/action-download-artifact from 5 to 6

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 5 to 6.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](https://github.com/dawidd6/action-download-artifact/compare/v5...v6)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/gnu-data.yml

@@ -22,7 +22,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Download the GNU result
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: GnuTests.yml
         name: test-summary
@@ -30,7 +30,7 @@ jobs:
         path: dl
 
     - name: Download the busybox result
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: CICD.yml
         name: busybox-result.json
@@ -38,7 +38,7 @@ jobs:
         path: dl
 
     - name: Download the toybox result
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: CICD.yml
         name: toybox-result.json
@@ -46,7 +46,7 @@ jobs:
         path: dl
 
     - name: Download the individual size result
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: CICD.yml
         name: individual-size-result
@@ -54,7 +54,7 @@ jobs:
         path: dl
 
     - name: Download the size result
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: CICD.yml
         name: size-result
@@ -62,7 +62,7 @@ jobs:
         path: dl
 
     - name: Download the full test report
-      uses: dawidd6/action-download-artifact@v5
+      uses: dawidd6/action-download-artifact@v6
       with:
         workflow: GnuTests.yml
         name: gnu-full-result.json