chore: Include latest tag in docker publish (#30)

Author: adamspofford-dfinity

.github/workflows/release.yml

@@ -173,6 +173,7 @@ jobs:
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=raw,value=${{ github.sha }},enable=true
+            type=raw,value=latest,enable=${{ github.ref_type == 'tag' }}
 
       - name: "Log in to GitHub Container Registry"
         uses: docker/login-action@v3