Update download-artifact to v4

Author: toderian

.github/workflows/pr-build.yml

@@ -148,25 +148,25 @@ jobs:
 
     steps:
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: EdgeNodeLauncher-WIN32-build-${{ github.event.pull_request.number }}-${{ github.sha }}
           path: ./all-builds/EdgeNodeLauncher-WIN32-signed
 
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: EdgeNodeLauncher-LINUX_Ubuntu-24.04-build-${{ github.event.pull_request.number }}-${{ github.sha }}
           path: ./all-builds/EdgeNodeLauncher-LINUX_Ubuntu-24.04
 
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: EdgeNodeLauncher-LINUX_Ubuntu-22.04-build-${{ github.event.pull_request.number }}-${{ github.sha }}
           path: ./all-builds/EdgeNodeLauncher-LINUX_Ubuntu-22.04
 
       - name: Download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: EdgeNodeLauncher-LINUX_Ubuntu-20.04-build-${{ github.event.pull_request.number }}-${{ github.sha }}
           path: ./all-builds/EdgeNodeLauncher-LINUX_Ubuntu-20.04