Bump postcss from 8.4.38 to 8.4.39

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.38 to 8.4.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.38...8.4.39)

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

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

package.json

@@ -30,7 +30,7 @@
     "jquery": "^3.7.1",
     "normalize.css": "^8.0.0",
     "popper.js": "^1.16.1",
-    "postcss": "^8.4.38",
+    "postcss": "^8.4.39",
     "raven-js": "^3.7.0",
     "rollup": "^4.18.0",
     "sass": "^1.77.4",

yarn.lock

@@ -5480,7 +5480,7 @@ __metadata:
     mocha: ^10.5.2
     normalize.css: ^8.0.0
     popper.js: ^1.16.1
-    postcss: ^8.4.38
+    postcss: ^8.4.39
     prettier: ^3.2.5
     raven-js: ^3.7.0
     rollup: ^4.18.0
@@ -7462,6 +7462,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"picocolors@npm:^1.0.1":
+  version: 1.0.1
+  resolution: "picocolors@npm:1.0.1"
+  checksum: fa68166d1f56009fc02a34cdfd112b0dd3cf1ef57667ac57281f714065558c01828cdf4f18600ad6851cbe0093952ed0660b1e0156bddf2184b6aaf5817553a5
+  languageName: node
+  linkType: hard
+
 "picomatch@npm:^2.0.4, picomatch@npm:^2.2.1":
   version: 2.3.0
   resolution: "picomatch@npm:2.3.0"
@@ -7509,14 +7516,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.38":
-  version: 8.4.38
-  resolution: "postcss@npm:8.4.38"
+"postcss@npm:^8.4.39":
+  version: 8.4.39
+  resolution: "postcss@npm:8.4.39"
   dependencies:
     nanoid: ^3.3.7
-    picocolors: ^1.0.0
+    picocolors: ^1.0.1
     source-map-js: ^1.2.0
-  checksum: 649f9e60a763ca4b5a7bbec446a069edf07f057f6d780a5a0070576b841538d1ecf7dd888f2fbfd1f76200e26c969e405aeeae66332e6927dbdc8bdcb90b9451
+  checksum: 14b130c90f165961772bdaf99c67f907f3d16494adf0868e57ef68baa67e0d1f6762db9d41ab0f4d09bab6fb7888588dba3596afd1a235fd5c2d43fba7006ac6
   languageName: node
   linkType: hard