fix(deps): update dependency @fullhuman/postcss-purgecss to v4

package.json

@@ -3,7 +3,7 @@
   "private": true,
   "dependencies": {
     "@fortawesome/fontawesome-free": "^5.15.2",
-    "@fullhuman/postcss-purgecss": "^2.3.0",
+    "@fullhuman/postcss-purgecss": "^4.0.0",
     "@rails/actioncable": "^6.1.1",
     "@rails/activestorage": "^6.1.1",
     "@rails/ujs": "^6.1.1",

yarn.lock

@@ -848,14 +848,21 @@
   resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-5.15.2.tgz#218cd7276ab4f9ab57cc3d2efa2697e6a579f25d"
   integrity sha512-7l/AX41m609L/EXI9EKH3Vs3v0iA8tKlIOGtw+kgcoanI7p+e4I4GYLqW3UXWiTnjSFymKSmTTPKYrivzbxxqA==
 
-"@fullhuman/postcss-purgecss@^2.1.2", "@fullhuman/postcss-purgecss@^2.3.0":
+"@fullhuman/postcss-purgecss@^2.1.2":
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/@fullhuman/postcss-purgecss/-/postcss-purgecss-2.3.0.tgz#50a954757ec78696615d3e118e3fee2d9291882e"
   integrity sha512-qnKm5dIOyPGJ70kPZ5jiz0I9foVOic0j+cOzNDoo8KoCf6HjicIZ99UfO2OmE7vCYSKAAepEwJtNzpiiZAh9xw==
   dependencies:
     postcss "7.0.32"
     purgecss "^2.3.0"
 
+"@fullhuman/postcss-purgecss@^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@fullhuman/postcss-purgecss/-/postcss-purgecss-4.0.0.tgz#9e27ccdc5d19192af8b59d9d9e4f480cfb5c55c9"
+  integrity sha512-1DNYIDxFsvGOeKdc2BFtIQriMWwzX6dY+9q0Z0n9TNZhFZ9T6nHRZHPC22aYLlPDd0ucCgIr1deTgDTrjq21KQ==
+  dependencies:
+    purgecss "^4.0.0"
+
 "@npmcli/move-file@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@npmcli/move-file/-/move-file-1.0.1.tgz#de103070dac0f48ce49cf6693c23af59c0f70464"
@@ -2078,6 +2085,11 @@ commander@^5.0.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-5.1.0.tgz#46abbd1652f8e059bddaef99bbdcb2ad9cf179ae"
   integrity sha512-P0CysNDQ7rtVw4QIQtm+MRxV66vKFSvlsQvGYXZWR3qFU0jlMKHZZZgw8e+8DSah4UDKMqnknRDQz+xuQXQ/Zg==
 
+commander@^6.0.0:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-6.2.1.tgz#0792eb682dfbc325999bb2b84fddddba110ac73c"
+  integrity sha512-U7VdrJFnJgo4xjrHpTzu0yrHPGImdsmD95ZlgYSEajAn2JKzDhDTPG9kBTefmObL2w/ngeZnilk+OV9CG3d7UA==
+
 commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
@@ -4744,6 +4756,11 @@ nan@^2.12.1, nan@^2.13.2:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
   integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
 
+nanoid@^3.1.20:
+  version "3.1.20"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.20.tgz#badc263c6b1dcf14b71efaa85f6ab4c1d6cfc788"
+  integrity sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -6071,6 +6088,15 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.11, postcss@^7.0.14, postcss@^7.0.1
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.2.1:
+  version "8.2.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.4.tgz#20a98a39cf303d15129c2865a9ec37eda0031d04"
+  integrity sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==
+  dependencies:
+    colorette "^1.2.1"
+    nanoid "^3.1.20"
+    source-map "^0.6.1"
+
 prepend-http@^1.0.0:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
@@ -6181,6 +6207,16 @@ purgecss@^2.3.0:
     postcss "7.0.32"
     postcss-selector-parser "^6.0.2"
 
+purgecss@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/purgecss/-/purgecss-4.0.0.tgz#25446199df2ec40d418caf4b95c7548a011be3f1"
+  integrity sha512-j/y6OtNpEiggw/ipCJUOMNLgLpeAv9L8q+SqzEdDzyVEZOfdWjg8yvgOxhBflNyYgJ8SZ+tTwPxrHT9vQUpEPw==
+  dependencies:
+    commander "^6.0.0"
+    glob "^7.0.0"
+    postcss "^8.2.1"
+    postcss-selector-parser "^6.0.2"
+
 q@^1.1.2:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"