fix: fix build.sh script (#59)

Author: matifali

scripts/build.sh

@@ -40,5 +40,5 @@ else
     VERSION=$(../scripts/version.sh)
     BASE=ghcr.io/coder/coder-logstream-kube
     IMAGE=$BASE:$VERSION
-    docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t "$IMAGE" -t $BASE:latest --push.
+    docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t "$IMAGE" -t $BASE:latest --push .
 fi