chore(deps): update dependency postcss to v8.5.26 (#2403)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

cypress/package-lock.json

@@ -43,7 +43,7 @@
       "glob": "13.0.6"
     },
     "fast-uri": "4.1.2",
-    "postcss": "8.5.25",
+    "postcss": "8.5.26",
     "brace-expansion@^2.0.0": "2.1.4"
   }
 }

cypress/package.json

@@ -132,7 +132,7 @@
     "lodash@^4.0.0": "^4.18.1",
     "qs": "6.15.3",
     "follow-redirects": "^1.16.0",
-    "postcss": "8.5.25",
+    "postcss": "8.5.26",
     "tmp": "^0.2.6",
     "js-yaml": "5.2.3",
     "fast-uri": "4.1.2",