Pin css-tree version

package.json

@@ -18,6 +18,7 @@
   },
   "resolutions": {
     "chokidar": "^3.5.3",
+    "css-tree": "~1.1.2",
     "node-forge": "^1.3.1",
     "nth-check": "^2.1.1",
     "inherits": "~2.0.4",

yarn.lock

@@ -2645,15 +2645,7 @@ css-select@^2.0.0:
     domutils "^1.7.0"
     nth-check "^1.0.2"
 
-[email protected]:
-  version "1.0.0-alpha.37"
-  resolved "https://registry.npmmirror.com/css-tree/-/css-tree-1.0.0-alpha.37.tgz#98bebd62c4c1d9f960ec340cf9f7522e30709a22"
-  integrity sha512-DMxWJg0rnz7UgxKT0Q1HU/L9BeJI0M6ksor0OgqOnF+aRCDWg/N2641HmVyU9KVIu0OVVWOb2IpC9A+BJRnejg==
-  dependencies:
-    mdn-data "2.0.4"
-    source-map "^0.6.1"
-
-css-tree@^1.1.2:
+[email protected], css-tree@^1.1.2, css-tree@~1.1.2:
   version "1.1.3"
   resolved "https://registry.npmmirror.com/css-tree/-/css-tree-1.1.3.tgz#eb4870fb6fd7707327ec95c2ff2ab09b5e8db91d"
   integrity sha512-tRpdppF7TRazZrjJ6v3stzv93qxRcSsFmW6cX0Zm2NVKpxE1WV1HblnghVv9TreireHkqI/VDEsfolRF1p6y7Q==
@@ -4708,7 +4700,7 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
-[email protected], mdn-data@2.0.4, mdn-data@~2.0.33:
+[email protected], mdn-data@~2.0.33:
   version "2.0.33"
   resolved "https://registry.npmmirror.com/mdn-data/-/mdn-data-2.0.33.tgz#4aa2471da4abbb0bbb7436fcf3e4c134081fadef"
   integrity sha512-7n9sfbaiI7Eqow7h/ObqtPie0/8x0NR8Mm7wuy9UBGRnpUKaVUpJUgK826lBWWRAcVQ1vEjtP1bXDE+nCXbMzw==