Merge pull request #50 from preimmortal/docker

fix: fix docker build scripts and dockerignore for docker version 24.0.7

.dockerignore

@@ -5,6 +5,7 @@
 !script/setup
 !script/run
 !wyoming_satellite/*.py
+!wyoming_satellite/utils
 !wyoming_satellite/VERSION
 !docker/run
 !sounds/*.wav

script/build_docker

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
-docker buildx build . \
+docker build . \
     -t 'rhasspy/wyoming-satellite' "$@"