Update dependency postcss to v8.2.15

package.json

@@ -26,7 +26,7 @@
     "eslint-plugin-jsx-a11y": "6.4.1",
     "eslint-plugin-react": "7.23.2",
     "eslint-plugin-react-hooks": "4.2.0",
-    "postcss": "8.2.13",
+    "postcss": "8.2.15",
     "tailwindcss": "2.1.2",
     "typescript": "4.2.4"
   }

yarn.lock

@@ -2394,10 +2394,10 @@ nanoid@^3.1.16, nanoid@^3.1.20:
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.20.tgz#badc263c6b1dcf14b71efaa85f6ab4c1d6cfc788"
   integrity sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==
 
-nanoid@^3.1.22:
-  version "3.1.22"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.22.tgz#b35f8fb7d151990a8aebd5aa5015c03cf726f844"
-  integrity sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==
+nanoid@^3.1.23:
+  version "3.1.23"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
+  integrity sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==
 
 napi-build-utils@^1.0.1:
   version "1.0.2"
@@ -2915,13 +2915,13 @@ [email protected]:
     nanoid "^3.1.16"
     source-map "^0.6.1"
 
-[email protected].13:
-  version "8.2.13"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.13.tgz#dbe043e26e3c068e45113b1ed6375d2d37e2129f"
-  integrity sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==
+[email protected].15:
+  version "8.2.15"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.15.tgz#9e66ccf07292817d226fc315cbbf9bc148fbca65"
+  integrity sha512-2zO3b26eJD/8rb106Qu2o7Qgg52ND5HPjcyQiK2B98O388h43A448LCslC0dI2P97wCAQRJsFvwTRcXxTKds+Q==
   dependencies:
     colorette "^1.2.2"
-    nanoid "^3.1.22"
+    nanoid "^3.1.23"
     source-map "^0.6.1"
 
 postcss@^6.0.9: