build: bump @bazel/buildifier from 3.5.0 to 4.0.0

Bumps [@bazel/buildifier](https://github.com/bazelbuild/buildtools) from 3.5.0 to 4.0.0.
- [Release notes](https://github.com/bazelbuild/buildtools/releases)
- [Commits](bazelbuild/buildtools@3.5.0...4.0.0)

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

Author: dependabot[bot]

package.json

@@ -83,7 +83,7 @@
     "@angular/router": "^11.1.0",
     "@axe-core/webdriverjs": "^4.1.0",
     "@bazel/bazelisk": "^1.4.0",
-    "@bazel/buildifier": "^3.5.0",
+    "@bazel/buildifier": "^4.0.0",
     "@bazel/ibazel": "^0.14.0",
     "@bazel/jasmine": "^2.3.2",
     "@bazel/karma": "^2.3.2",

yarn.lock

@@ -672,10 +672,10 @@
     "@bazel/buildifier-linux_x64" "0.29.0"
     "@bazel/buildifier-win32_x64" "0.29.0"
 
-"@bazel/buildifier@^3.5.0":
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/@bazel/buildifier/-/buildifier-3.5.0.tgz#afbee61d61543d0a0a28e2b29a5cbdb64c852953"
-  integrity sha512-cbUS0/GMg57g6NIg6JekgmqVtuobYzW4aGHk7KzMS/bFZvxg6WY19JJ5UZSzGyAGDu2152oUTFbh4WN74Fz1+Q==
+"@bazel/buildifier@^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/@bazel/buildifier/-/buildifier-4.0.0.tgz#c99fb21295c7e2858fa176c2b950c589217ae8ac"
+  integrity sha512-e242AK+shp+5bpAc9l93pmG5YRYRfM0INV3gfbdxNeBxccx1MJUagaiwxqAV+Mw55zk92gsb99f2TAc9tt6C7w==
 
 "@bazel/ibazel@^0.14.0":
   version "0.14.0"