.github: update artifact to fix security vuln

Author: kevinburkesegment

.github/workflows/release.yaml

@@ -57,7 +57,7 @@ jobs:
         tar czf $out.tar.gz $out LICENSE
 
     - name: Upload Artifacts
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: kubectl-curl_${{ steps.version.outputs.tag }}_${{ env.GOOS }}_${{ env.GOARCH }}
         path: kubectl-curl_${{ steps.version.outputs.tag }}_${{ env.GOOS }}_${{ env.GOARCH }}.tar.gz
@@ -67,7 +67,7 @@ jobs:
     needs: [build]
     steps:
     - name: Download Artifacts
-      uses: actions/download-artifact@v2
+      uses: actions/download-artifact@v4
       with:
         path: .