Sygma OTEL Agent: login docker (#32)

Author: eedygreen

.github/workflows/opentelemetry.yaml

@@ -39,8 +39,8 @@ jobs:
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GHCR_TOKEN }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: build / tag / push docker image into ghcr
         id: build-and-push