chore(ci): remove linux/i386 from build platforms in workflow (incompatible with markitdown)

Author: obeone

.github/workflows/build-and-publish.yaml

@@ -52,7 +52,7 @@ jobs:
           tags: |
             ghcr.io/obeone/crawler-to-md:latest
             docker.io/obeoneorg/crawler-to-md:latest
-          platforms: linux/amd64,linux/arm64,linux/i386
+          platforms: linux/amd64,linux/arm64
 
       - name: Set up cosign
         if: github.event_name == 'push' && github.ref == 'refs/heads/main'