Bump postcss-import from 15.1.0 to 16.0.0

Bumps [postcss-import](https://github.com/postcss/postcss-import) from 15.1.0 to 16.0.0.
- [Release notes](https://github.com/postcss/postcss-import/releases)
- [Changelog](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-import@15.1.0...16.0.0)

---
updated-dependencies:
- dependency-name: postcss-import
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -16,7 +16,7 @@
     "esbuild-rails": "^1.0.7",
     "postcss": "^8.4.31",
     "postcss-cli": "^10.1.0",
-    "postcss-import": "^15.1.0",
+    "postcss-import": "^16.0.0",
     "postcss-nesting": "^12.0.1",
     "tailwindcss": "^3.3.5"
   },

yarn.lock

@@ -1850,6 +1850,15 @@ postcss-import@^15.1.0:
     read-cache "^1.0.0"
     resolve "^1.1.7"
 
+postcss-import@^16.0.0:
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-16.0.0.tgz#2be1c78391b3f43f129fccfe5cc0cc1a11baef54"
+  integrity sha512-e77lhVvrD1I2y7dYmBv0k9ULTdArgEYZt97T4w6sFIU5uxIHvDFQlKgUUyY7v7Barj0Yf/zm5A4OquZN7jKm5Q==
+  dependencies:
+    postcss-value-parser "^4.0.0"
+    read-cache "^1.0.0"
+    resolve "^1.1.7"
+
 postcss-js@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/postcss-js/-/postcss-js-4.0.1.tgz#61598186f3703bab052f1c4f7d805f3991bee9d2"