Bump autoprefixer from 10.4.2 to 10.4.21 in /frontend

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.2 to 10.4.21.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.2...10.4.21)

---
updated-dependencies:
- dependency-name: autoprefixer
  dependency-version: 10.4.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

frontend/yarn.lock

@@ -5418,15 +5418,15 @@ atob@^2.1.2:
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
 autoprefixer@^10.2.6:
-  version "10.4.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.2.tgz#25e1df09a31a9fba5c40b578936b90d35c9d4d3b"
-  integrity sha512-9fOPpHKuDW1w/0EKfRmVnxTDt8166MAnLI3mgZ1JCnhNtYWxcJ6Ud5CO/AVOZi/AvFa8DY9RTy3h3+tFBlrrdQ==
+  version "10.4.21"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.4.21.tgz#77189468e7a8ad1d9a37fbc08efc9f480cf0a95d"
+  integrity sha512-O+A6LWV5LDHSJD3LjHYoNi4VLsj/Whi7k6zG12xTYaU4cQ8oxQGckXNX8cRHK5yOZ/ppVHe0ZBXGzSV9jXdVbQ==
   dependencies:
-    browserslist "^4.19.1"
-    caniuse-lite "^1.0.30001297"
-    fraction.js "^4.1.2"
+    browserslist "^4.24.4"
+    caniuse-lite "^1.0.30001702"
+    fraction.js "^4.3.7"
     normalize-range "^0.1.2"
-    picocolors "^1.0.0"
+    picocolors "^1.1.1"
     postcss-value-parser "^4.2.0"
 
 autoprefixer@^9.8.6:
@@ -5926,7 +5926,7 @@ browserify-zlib@^0.2.0:
   dependencies:
     pako "~1.0.5"
 
-"browserslist@>= 4.0.0", browserslist@^4.0.0, browserslist@^4.12.0, browserslist@^4.14.5, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.19.1:
+"browserslist@>= 4.0.0", browserslist@^4.0.0, browserslist@^4.12.0, browserslist@^4.14.5, browserslist@^4.16.6, browserslist@^4.17.5, browserslist@^4.19.1, browserslist@^4.24.4:
   version "4.19.3"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.19.3.tgz#29b7caad327ecf2859485f696f9604214bedd383"
   integrity sha512-XK3X4xtKJ+Txj8G5c30B4gsm71s69lqXlkYui4s6EkKxuv49qjYlY6oVd+IFJ73d4YymtM3+djvvt/R/iJwwDg==
@@ -6176,15 +6176,10 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001297:
-  version "1.0.30001298"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001298.tgz#0e690039f62e91c3ea581673d716890512e7ec52"
-  integrity sha512-AcKqikjMLlvghZL/vfTHorlQsLDhGRalYf1+GmWCf5SCMziSGjRYQW/JEksj14NaYHIR6KIhrFAy0HV5C25UzQ==
-
-caniuse-lite@^1.0.30001312:
-  version "1.0.30001312"
-  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001312.tgz#e11eba4b87e24d22697dae05455d5aea28550d5f"
-  integrity sha512-Wiz1Psk2MEK0pX3rUzWaunLTZzqS2JYZFzNKqAiJGiuxIjRPLgV6+VDPOg6lQOUxmDwhTlh198JsTTi8Hzw6aQ==
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001109, caniuse-lite@^1.0.30001312, caniuse-lite@^1.0.30001702:
+  version "1.0.30001713"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001713.tgz#6b33a8857e6c7dcb41a0caa2dd0f0489c823a52d"
+  integrity sha512-wCIWIg+A4Xr7NfhTuHdX+/FKh3+Op3LBbSp2N5Pfx6T/LhdQy3GTyoTg48BReaW/MyMNZAkTadsBtai3ldWK0Q==
 
 capital-case@^1.0.4:
   version "1.0.4"
@@ -9062,10 +9057,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
   integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
 
-fraction.js@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.1.2.tgz#13e420a92422b6cf244dff8690ed89401029fbe8"
-  integrity sha512-o2RiJQ6DZaR/5+Si0qJUIy637QMRudSi9kU/FFzx9EZazrIdnBgpU+3sEWCxAVhH2RtxW2Oz+T4p2o8uOPVcgA==
+fraction.js@^4.3.7:
+  version "4.3.7"
+  resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.3.7.tgz#06ca0085157e42fda7f9e726e79fefc4068840f7"
+  integrity sha512-ZsDfxO51wGAXREY55a7la9LScWpwv9RxIrYABrlvOFBlH/ShPnrtsXeuUIfXKKOVicNxQ+o8JTbJvjS4M89yew==
 
 fragment-cache@^0.2.1:
   version "0.2.1"
@@ -13504,10 +13499,10 @@ picocolors@^0.2.1:
   resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-0.2.1.tgz#570670f793646851d1ba135996962abad587859f"
   integrity sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==
 
-picocolors@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
-  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+picocolors@^1.0.0, picocolors@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.1.1.tgz#3d321af3eab939b083c8f929a1d12cda81c26b6b"
+  integrity sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==
 
 picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.2, picomatch@^2.2.3, picomatch@^2.3.0:
   version "2.3.0"