ci: update actions/upload-artifact

There are no breaking changes listed in the README that affect our usage.

.github/workflows/node-package.yml

@@ -56,7 +56,7 @@ jobs:
           tar -zcvf "${{ matrix.os }}.tar.gz" -C prebuilds .
 
       - name: Upload Prebuild
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ${{ matrix.os }}
           path: node/${{ matrix.os }}.tar.gz
@@ -125,7 +125,7 @@ jobs:
           tar -zcvf "linux.tar.gz" -C prebuilds .
 
       - name: Upload Prebuild
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: linux
           path: node/linux.tar.gz
@@ -201,7 +201,7 @@ jobs:
           ls -lah
           mv $(find deltachat-node-*) $DELTACHAT_NODE_TAR_GZ
       - name: Upload prebuild
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: deltachat-node.tgz
           path: ${{ env.DELTACHAT_NODE_TAR_GZ }}