ci: yaml formatting.

ci: Isolate builder by actor.

Signed-off-by: Jason Volk <jason@zemos.net>

docker/bake.sh

@@ -58,7 +58,7 @@ sys_versions="${env_sys_versions:-$default_sys_versions}"
 docker_dir="$PWD/$BASEDIR"
 runner_name=$(echo $RUNNER_NAME | cut -d"." -f1)
 runner_num=$(echo $RUNNER_NAME | cut -d"." -f2)
-builder_name="owo"
+builder_name="${GITHUB_ACTOR:-owo}"
 rocksdb_opt_level=3
 rocksdb_portable=1
 git_checkout="HEAD"