Merge pull request #9142 from backstage/freben/postcss-too

bump postcss past CVE-2021-23382

yarn.lock

@@ -5416,11 +5416,11 @@
   integrity sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw==
 
 "@types/cssnano@*":
-  version "4.0.0"
-  resolved "https://registry.npmjs.org/@types/cssnano/-/cssnano-4.0.0.tgz#f1bb29d6d0813861a3d87e02946b2988d0110d4e"
-  integrity sha512-BC/2ibKZfPIaBLBNzkitdW1IvvX/LKW6/QXGc4Su/tAJ7mQ3f2CKBuGCCKaqGAnoKwzfuC7G/recpkARwdOwuA==
+  version "5.0.0"
+  resolved "https://registry.npmjs.org/@types/cssnano/-/cssnano-5.0.0.tgz#9463679a7f11ea375e0ed4ada46c04de6c908ef0"
+  integrity sha512-z98V7ICNAojxj9YV9+Q8qV+F7fW0poLWJRjed9tu7KNdYzHwAvLOAsTMI8xWjkOY9yzO+HmMxRRixlIvRsZwXg==
   dependencies:
-    postcss "5 - 7"
+    postcss "^8"
 
 "@types/d3-color@*":
   version "3.0.2"
@@ -19726,16 +19726,7 @@ postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
-"postcss@5 - 7":
-  version "7.0.36"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
-  integrity sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==
-  dependencies:
-    chalk "^2.4.2"
-    source-map "^0.6.1"
-    supports-color "^6.1.0"
-
-postcss@^8.1.0, postcss@^8.2.15:
+postcss@^8, postcss@^8.1.0, postcss@^8.2.15:
   version "8.4.5"
   resolved "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz#bae665764dfd4c6fcc24dc0fdf7e7aa00cc77f95"
   integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==
@@ -22924,13 +22915,6 @@ supports-color@^5.3.0, supports-color@^5.5.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
-  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
-  dependencies:
-    has-flag "^3.0.0"
-
 supports-color@^7.0.0, supports-color@^7.1.0, supports-color@^7.2.0:
   version "7.2.0"
   resolved "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"