Update dependency postcss to v8.4.47 (#35)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

yarn.lock

@@ -4403,11 +4403,6 @@ picocolors@^1.0.0, picocolors@^1.1.0:
   resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
   integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
 
-picocolors@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.0.tgz#5358b76a78cde483ba5cef6a9dc9671440b27d59"
-  integrity sha512-TQ92mBOW0l3LeMeyLV6mzy/kWr8lkd/hp3mTg7wYK7zJhuBStmGMBG0BdeDZS/dZx1IukaX6Bk11zcln25o1Aw==
-
 picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.3.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
@@ -4695,16 +4690,7 @@ postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.2.15, postcss@^8.4.16:
-  version "8.4.45"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.45.tgz#538d13d89a16ef71edbf75d895284ae06b79e603"
-  integrity sha512-7KTLTdzdZZYscUc65XmjFiB73vBhBfbPztCYdUNvlaso9PrzjzcmjqBPR0lNGkcVlcO4BjiO5rK/qNz+XAen1Q==
-  dependencies:
-    nanoid "^3.3.7"
-    picocolors "^1.0.1"
-    source-map-js "^1.2.0"
-
-postcss@^8.4.47:
+postcss@^8.2.15, postcss@^8.4.16, postcss@^8.4.47:
   version "8.4.47"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.47.tgz#5bf6c9a010f3e724c503bf03ef7947dcb0fea365"
   integrity sha512-56rxCq7G/XfB4EkXq9Egn5GCqugWvDFjafDOThIdMBsI15iqPqR5r15TfSr1YPYeEI19YeaXMCbY6u88Y76GLQ==