chore(deps): update github artifact actions

Author: renovate[bot]

.github/workflows/GnuTests.yml

@@ -85,15 +85,15 @@ jobs:
         find . -name "*json*" -type f || echo "No JSON files found"
 
     - name: Upload full json results
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: sed-gnu-full-result
         path: sed/${{ env.TEST_FULL_SUMMARY_FILE }}
         if-no-files-found: warn
 
     - name: Upload test logs
       if: always()
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: test-logs
         path: |
@@ -136,7 +136,7 @@ jobs:
         if_no_artifact_found: warn
 
     - name: Download full json results
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v7
       with:
         name: sed-gnu-full-result
         path: results
@@ -197,13 +197,13 @@ jobs:
         outputs HASH TOTAL PASS FAIL SKIP
 
     - name: Upload SHA1/ID of 'test-summary'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: "${{ steps.summary.outputs.HASH }}"
         path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"
 
     - name: Upload test results summary
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: test-summary
         path: "${{ steps.vars.outputs.TEST_SUMMARY_FILE }}"