Bump autoprefixer from 9.7.2 to 9.7.3

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.7.2 to 9.7.3.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.7.2...9.7.3)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -1345,12 +1345,12 @@ autofill-event@0.0.1:
   integrity sha1-w4LPmJshth/0oSs1l+GUNHHTz3o=
 
 autoprefixer@^9.4.7:
-  version "9.7.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.2.tgz#26cf729fbb709323b40171a874304884dcceffed"
-  integrity sha512-LCAfcdej1182uVvPOZnytbq61AhnOZ/4JelDaJGDeNwewyU1AMaNthcHsyz1NRjTmd2FkurMckLWfkHg3Z//KA==
+  version "9.7.3"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-9.7.3.tgz#fd42ed03f53de9beb4ca0d61fb4f7268a9bb50b4"
+  integrity sha512-8T5Y1C5Iyj6PgkPSFd0ODvK9DIleuPKUPYniNxybS47g2k2wFgLZ46lGQHlBuGKIAEV8fbCDfKCCRS1tvOgc3Q==
   dependencies:
-    browserslist "^4.7.3"
-    caniuse-lite "^1.0.30001010"
+    browserslist "^4.8.0"
+    caniuse-lite "^1.0.30001012"
     chalk "^2.4.2"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
@@ -1764,14 +1764,14 @@ browserify@^16.1.0, browserify@^16.2.3:
     vm-browserify "^1.0.0"
     xtend "^4.0.0"
 
-browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.7.3:
-  version "4.7.3"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.7.3.tgz#02341f162b6bcc1e1028e30624815d4924442dc3"
-  integrity sha512-jWvmhqYpx+9EZm/FxcZSbUZyDEvDTLDi3nSAKbzEkyWvtI0mNSmUosey+5awDW1RUlrgXbQb5A6qY1xQH9U6MQ==
+browserslist@^4.6.0, browserslist@^4.6.2, browserslist@^4.8.0:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.8.0.tgz#6f06b0f974a7cc3a84babc2ccc56493668e3c789"
+  integrity sha512-HYnxc/oLRWvJ3TsGegR0SRL/UDnknGq2s/a8dYYEO+kOQ9m9apKoS5oiathLKZdh/e9uE+/J3j92qPlGD/vTqA==
   dependencies:
-    caniuse-lite "^1.0.30001010"
-    electron-to-chromium "^1.3.306"
-    node-releases "^1.1.40"
+    caniuse-lite "^1.0.30001012"
+    electron-to-chromium "^1.3.317"
+    node-releases "^1.1.41"
 
 btoa-lite@^1.0.0:
   version "1.0.0"
@@ -1905,10 +1905,10 @@ camelcase@^5.0.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
-caniuse-lite@^1.0.30001010:
-  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@^1.0.30001012:
+  version "1.0.30001013"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001013.tgz#da2440d4d266a17d40eb79bd19c0c8cc1d029c72"
+  integrity sha512-hOAXaWKuq/UVFgYawxIOdPdyMQdYcwOCDOjnZcKn7wCgFUrhP7smuNZjGLuJlPSgE6aRA4cRJ+bGSrhtEt7ZAg==
 
 caseless@~0.12.0:
   version "0.12.0"
@@ -2926,10 +2926,10 @@ ee-first@1.1.1:
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
-electron-to-chromium@^1.3.306:
-  version "1.3.314"
-  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.314.tgz#c186a499ed2c9057bce9eb8dca294d6d5450facc"
-  integrity sha512-IKDR/xCxKFhPts7h+VaSXS02Z1mznP3fli1BbXWXeN89i2gCzKraU8qLpEid8YzKcmZdZD3Mly3cn5/lY9xsBQ==
+electron-to-chromium@^1.3.317:
+  version "1.3.321"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.321.tgz#913869f5ec85daabba0e75c9c314b4bf26cdb01e"
+  integrity sha512-jJy/BZK2s2eAjMPXVMSaCmo7/pSY2aKkfQ+LoAb5Wk39qAhyP9r8KU74c4qTgr9cD/lPUhJgReZxxqU0n5puog==
 
 elliptic@^6.0.0:
   version "6.5.0"
@@ -5948,7 +5948,7 @@ node-pre-gyp@^0.12.0:
     semver "^5.3.0"
     tar "^4"
 
-node-releases@^1.1.40:
+node-releases@^1.1.41:
   version "1.1.41"
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.41.tgz#57674a82a37f812d18e3b26118aefaf53a00afed"
   integrity sha512-+IctMa7wIs8Cfsa8iYzeaLTFwv5Y4r5jZud+4AnfymzeEXKBCavFX0KBgzVaPVqf0ywa6PrO8/b+bPqdwjGBSg==