Merge dev: @lessjs/core 0.12.1

Author: LessJS Bot

packages/core/deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@lessjs/core",
-  "version": "0.12.0",
+  "version": "0.12.1",
   "exports": {
     ".": "./src/index.ts",
     "./render-dsd": "./src/render-dsd.ts",