Bump postcss from 8.4.47 to 8.4.49 in /panel

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.49.
- [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/8.4.47...8.4.49)

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

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

panel/package.json

@@ -47,7 +47,7 @@
         "eslint": "^9.13.0",
         "eslint-config-prettier": "^9.1.0",
         "globals": "^15.13.0",
-        "postcss": "^8.4.45",
+        "postcss": "^8.4.49",
         "prettier": "3.3.3",
         "sass": "^1.81.0",
         "stylelint": "^16.9.0",

panel/yarn.lock

@@ -1772,7 +1772,7 @@ __metadata:
     eslint: "npm:^9.13.0"
     eslint-config-prettier: "npm:^9.1.0"
     globals: "npm:^15.13.0"
-    postcss: "npm:^8.4.45"
+    postcss: "npm:^8.4.49"
     prettier: "npm:3.3.3"
     prosemirror-commands: "npm:^1.6.2"
     prosemirror-history: "npm:^1.4.1"
@@ -2633,7 +2633,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"picocolors@npm:^1.0.0, picocolors@npm:^1.0.1, picocolors@npm:^1.1.0":
+"picocolors@npm:^1.0.0, picocolors@npm:^1.0.1, picocolors@npm:^1.1.0, picocolors@npm:^1.1.1":
   version: 1.1.1
   resolution: "picocolors@npm:1.1.1"
   checksum: 10c0/e2e3e8170ab9d7c7421969adaa7e1b31434f789afb9b3f115f6b96d91945041ac3ceb02e9ec6fe6510ff036bcc0bf91e69a1772edc0b707e12b19c0f2d6bcf58
@@ -2705,7 +2705,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.32, postcss@npm:^8.4.45, postcss@npm:^8.4.47":
+"postcss@npm:^8.4.32, postcss@npm:^8.4.47":
   version: 8.4.47
   resolution: "postcss@npm:8.4.47"
   dependencies:
@@ -2716,6 +2716,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.4.49":
+  version: 8.4.49
+  resolution: "postcss@npm:8.4.49"
+  dependencies:
+    nanoid: "npm:^3.3.7"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 10c0/f1b3f17aaf36d136f59ec373459f18129908235e65dbdc3aee5eef8eba0756106f52de5ec4682e29a2eab53eb25170e7e871b3e4b52a8f1de3d344a514306be3
+  languageName: node
+  linkType: hard
+
 "prelude-ls@npm:^1.2.1":
   version: 1.2.1
   resolution: "prelude-ls@npm:1.2.1"