Bump postcss from 8.3.11 to 8.4.0

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.11 to 8.4.0.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.3.11...8.4.0)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

1 files changed, 15 insertions, 29 deletions

diff --git a/package-lock.json b/package-lock.json
index 872fc556..56d03b1e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "eslint-plugin-only-ascii": "0.0.0",
         "eslint-webpack-plugin": "^3.1.1",
         "file-loader": "^6.2.0",
-        "postcss": "^8.3.11",
+        "postcss": "^8.4.0",
         "postcss-cli": "^9.0.2",
         "postcss-import": "^14.0.2",
         "postcss-preset-env": "^7.0.1",
@@ -5604,14 +5604,14 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.0.tgz",
+      "integrity": "sha512-BRMNx3Wy7UI89jN8H4ZVS5lQMPM2OSMkOkvDCSjwXa7PWTs24k7Lm55NXLbMbs070LvraXaxN5l1npSOS6wMVw==",
       "dev": true,
       "dependencies": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -6629,12 +6629,6 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
       "dev": true
     },
-    "node_modules/postcss/node_modules/picocolors": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-      "dev": true
-    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -7165,9 +7159,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz",
+      "integrity": "sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==",
       "dev": true,
       "engines": {
         "node": ">=0.10.0"
@@ -12276,22 +12270,14 @@
       }
     },
     "postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "version": "8.4.0",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.0.tgz",
+      "integrity": "sha512-BRMNx3Wy7UI89jN8H4ZVS5lQMPM2OSMkOkvDCSjwXa7PWTs24k7Lm55NXLbMbs070LvraXaxN5l1npSOS6wMVw==",
       "dev": true,
       "requires": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
-      },
-      "dependencies": {
-        "picocolors": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
-          "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
-          "dev": true
-        }
+        "source-map-js": "^1.0.1"
       }
     },
     "postcss-attribute-case-insensitive": {
@@ -13342,9 +13328,9 @@
       "dev": true
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz",
+      "integrity": "sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==",
       "dev": true
     },
     "source-map-support": {