Bump autoprefixer from 9.7.3 to 9.7.4

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.3 to 9.7.4.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](postcss/autoprefixer@9.7.3...9.7.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -1202,16 +1202,16 @@ atob@^2.1.1:
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
 autoprefixer@^9.4.5:
-  version "9.7.3"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.3.tgz#fd42ed03f53de9beb4ca0d61fb4f7268a9bb50b4"
-  integrity sha512-8T5Y1C5Iyj6PgkPSFd0ODvK9DIleuPKUPYniNxybS47g2k2wFgLZ46lGQHlBuGKIAEV8fbCDfKCCRS1tvOgc3Q==
+  version "9.7.4"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.4.tgz#f8bf3e06707d047f0641d87aee8cfb174b2a5378"
+  integrity sha512-g0Ya30YrMBAEZk60lp+qfX5YQllG+S5W3GYCFvyHTvhOki0AEQJLPEcIuGRsqVwLi8FvXPVtwTGhfr38hVpm0g==
   dependencies:
-    browserslist "^4.8.0"
-    caniuse-lite "^1.0.30001012"
+    browserslist "^4.8.3"
+    caniuse-lite "^1.0.30001020"
     chalk "^2.4.2"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
-    postcss "^7.0.23"
+    postcss "^7.0.26"
     postcss-value-parser "^4.0.2"
 
 aws-sign2@~0.7.0:
@@ -1334,7 +1334,7 @@ browser-resolve@^1.11.3:
   dependencies:
     resolve "1.1.7"
 
-browserslist@^4.8.0, browserslist@^4.8.2, browserslist@^4.8.3:
+browserslist@^4.8.2, browserslist@^4.8.3:
   version "4.8.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.8.3.tgz#65802fcd77177c878e015f0e3189f2c4f627ba44"
   integrity sha512-iU43cMMknxG1ClEZ2MDKeonKE1CCrFVkQK2AqO2YWFmvIrx4JWrvQ4w4hQez6EpVI8rHTtqh/ruHHDHSOKxvUg==
@@ -1390,15 +1390,10 @@ camelcase@^5.0.0, camelcase@^5.3.1:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
-caniuse-lite@^1.0.30001012:
-  version "1.0.30001012"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001012.tgz#653ec635e815b9e0fb801890923b0c2079eb34ec"
-  integrity sha512-7RR4Uh04t9K1uYRWzOJmzplgEOAXbfK72oVNokCdMzA67trrhPzy93ahKk1AWHiA0c58tD2P+NHqxrA8FZ+Trg==
-
-caniuse-lite@^1.0.30001017:
-  version "1.0.30001020"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001020.tgz#3f04c1737500ffda78be9beb0b5c1e2070e15926"
-  integrity sha512-yWIvwA68wRHKanAVS1GjN8vajAv7MBFshullKCeq/eKpK7pJBVDgFFEqvgWTkcP2+wIDeQGYFRXECjKZnLkUjA==
+caniuse-lite@^1.0.30001017, caniuse-lite@^1.0.30001020:
+  version "1.0.30001021"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001021.tgz#e75ed1ef6dbadd580ac7e7720bb16f07b083f254"
+  integrity sha512-wuMhT7/hwkgd8gldgp2jcrUjOU9RXJ4XxGumQeOsUr91l3WwmM68Cpa/ymCnWEDqakwFXhuDQbaKNHXBPgeE9g==
 
 capture-exit@^2.0.0:
   version "2.0.0"
@@ -3989,7 +3984,7 @@ postcss@^6.0.9:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.11, postcss@^7.0.18, postcss@^7.0.21, postcss@^7.0.23:
+postcss@^7.0.11, postcss@^7.0.18, postcss@^7.0.21, postcss@^7.0.26:
   version "7.0.26"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.26.tgz#5ed615cfcab35ba9bbb82414a4fa88ea10429587"
   integrity sha512-IY4oRjpXWYshuTDFxMVkJDtWIk2LhsTlu8bZnbEJA4+bYT16Lvpo8Qv6EvDumhYRgzjZl489pmsY3qVgJQ08nA==