Update dependency postcss-import to v16

Author: renovate[bot]

package.json

@@ -70,7 +70,7 @@
 		"list-files-in-dir": "0.1.5",
 		"mocha": "10.2.0",
 		"npm-run-all": "4.1.5",
-		"postcss-import": "15.1.0",
+		"postcss-import": "16.0.0",
 		"prettier": "3.2.4",
 		"puppeteer": "19.11.1",
 		"rollup": "3.29.4",

yarn.lock

@@ -5372,10 +5372,10 @@ postcss-image-set-function@^6.0.1:
   dependencies:
     postcss-value-parser "^4.2.0"
 
-postcss-import@15.1.0:
-  version "15.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-15.1.0.tgz#41c64ed8cc0e23735a9698b3249ffdbf704adc70"
-  integrity sha512-hpr+J05B2FVYUAXHeK1YyI267J/dDDhMU6B6civm8hSY1jYJnBXxzKDKDswzJmtLHryrjhnDjqqp/49t8FALew==
+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"