Merge branch 'renovate/postcss-8.x-lockfile' into 'v2'

chore(deps): update dependency postcss to v8.5.3

See merge request !578

frontend/package-lock.json

@@ -12849,9 +12849,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.2",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.2.tgz",
-      "integrity": "sha512-MjOadfU3Ys9KYoX0AdkBlFEF1Vx37uCCeN4ZHnmwm9FfpbsGWMZeBLMmmpY+6Ocqod7mkdZ0DT31OlbsFrLlkA==",
+      "version": "8.5.3",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
+      "integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
       "dev": true,
       "funding": [
         {