[CI] Zip files before uploading

.gitea/workflows/build.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     container:
-      image: zmkfirmware/zmk-build-arm:stable
+      image: zmkfirmware/zmk-build-arm:latest
     name: Build
     steps:
       - name: Install Dependencies
@@ -46,11 +46,12 @@ jobs:
 
       - name: Rename zmk.uf2
         run: cp build/zephyr/zmk.uf2 corne_right_nice_nano_v2.uf2
+          
+      - name: Zip Artifacts
+        run: zip firmware.zip corne_left_nice_nano_v2.uf2 corne_right_nice_nano_v2.uf2
 
-      - name: Upload Artifacts
+      - name: Upload Artifact
         uses: actions/upload-artifact@v3
         with:
-          name: firmware.zip
+          path: firmware.zip
           if-no-files-found: ignore
-          path: |
-            *.uf2