chore: update postcss-selector-parser (css-modules#8)

Author: evilebottnawi

package.json

@@ -41,7 +41,7 @@
   },
   "dependencies": {
     "postcss": "^7.0.6",
-    "postcss-selector-parser": "^5.0.0"
+    "postcss-selector-parser": "^6.0.0"
   },
   "devDependencies": {
     "chokidar-cli": "^1.0.1",

yarn.lock

@@ -615,10 +615,10 @@ cryptiles@0.2.x:
   dependencies:
     boom "0.4.x"
 
-cssesc@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-2.0.0.tgz#3b13bd1bb1cb36e1bcb5a4dcd27f54c5dcb35703"
-  integrity sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==
+cssesc@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
+  integrity sha512-/Tb/JcjK111nNScGob5MNtsntNM1aCNUDipB/TkwZFhyDrrE47SOx/18wF2bbjgc3ZzCSKW1T5nt5EbFoAz/Vg==
 
 ctype@0.5.3:
   version "0.5.3"
@@ -2325,12 +2325,12 @@ posix-character-classes@^0.1.0:
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
   integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
 
-postcss-selector-parser@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-5.0.0.tgz#249044356697b33b64f1a8f7c80922dddee7195c"
-  integrity sha512-w+zLE5Jhg6Liz8+rQOWEAwtwkyqpfnmsinXjXg6cY7YIONZZtgvE0v2O0uhQBs0peNomOJwWRKt6JBfTdTd3OQ==
+postcss-selector-parser@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-6.0.0.tgz#5cf920dae70589adf1aba7ec72e39cc882e5cf40"
+  integrity sha512-E4EHwWgh5NIh/F44hYfQHR1jwejCza1ktpeWTetDtc71hxdDmWPjfSs28/58DBDIKxz5Dxlw8oW6am2ph/OCkg==
   dependencies:
-    cssesc "^2.0.0"
+    cssesc "^3.0.0"
     indexes-of "^1.0.1"
     uniq "^1.0.1"