Fix platforms input param

Signed-off-by: trivernis <trivernis@protonmail.com>

.github/workflows/docker.yml

@@ -40,7 +40,7 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          platforms: ${{github.events.inputs.platforms}}
+          platforms: ${{github.event.inputs.platforms}}
           push: true
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache