ci: fix

Author: k9ert

.github/workflows/build,yml

@@ -42,9 +42,9 @@ jobs:
         run: nix develop -c make disco
 
       - name: Upload firmware artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: firmware-binaries
           path: |
-            bin/
-            release/
+            bin/specter-diy.bin
+            bin/specter-diy.hex