fix(docker/dev-full): force linux/amd64 for server container (#1818)

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## Changes

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docker/dev-full/docker-compose.yml

@@ -4,6 +4,7 @@ services:
       context: ../..
       dockerfile: docker/universal/Dockerfile
       target: server-full
+    platform: linux/amd64
     restart: unless-stopped
     command: /usr/bin/rivet-server start
     environment: