prevent yq from being in the image

Author: lurtz

src/s-core-devcontainer/.devcontainer/s-core-local/versions.sh

@@ -18,3 +18,6 @@ fi
 
 # Read tool versions and metadata into environment variables
 export $(/tmp/yq eval '.. | select((tag == "!!map" or tag == "!!seq") | not) | (path | join("_")) + "=" + .' "$1" | awk '!/=$/{print }' | xargs)
+
+# Clean up
+trap 'rm -f /tmp/yq' EXIT