Bump postcss from 8.4.47 to 8.4.48

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.48.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.48)

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

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

package.json

@@ -15,7 +15,7 @@
     "concurrently": "^9.1.0",
     "eleventy-plugin-reading-time": "^0.0.1",
     "markdown-it-prism": "^2.3.0",
-    "postcss": "^8.4.47",
+    "postcss": "^8.4.48",
     "tailwindcss": "^3.4.14"
   },
   "packageManager": "yarn@4.0.2"

yarn.lock

@@ -978,7 +978,7 @@ __metadata:
     concurrently: "npm:^9.1.0"
     eleventy-plugin-reading-time: "npm:^0.0.1"
     markdown-it-prism: "npm:^2.3.0"
-    postcss: "npm:^8.4.47"
+    postcss: "npm:^8.4.48"
     tailwindcss: "npm:^3.4.14"
   languageName: unknown
   linkType: soft
@@ -2334,7 +2334,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"picocolors@npm:^1.0.1":
+"picocolors@npm:^1.0.1, picocolors@npm:^1.1.1":
   version: 1.1.1
   resolution: "picocolors@npm:1.1.1"
   checksum: e2e3e8170ab9d7c7421969adaa7e1b31434f789afb9b3f115f6b96d91945041ac3ceb02e9ec6fe6510ff036bcc0bf91e69a1772edc0b707e12b19c0f2d6bcf58
@@ -2459,14 +2459,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.47":
-  version: 8.4.47
-  resolution: "postcss@npm:8.4.47"
+"postcss@npm:^8.4.48":
+  version: 8.4.48
+  resolution: "postcss@npm:8.4.48"
   dependencies:
     nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.1.0"
+    picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 929f68b5081b7202709456532cee2a145c1843d391508c5a09de2517e8c4791638f71dd63b1898dba6712f8839d7a6da046c72a5e44c162e908f5911f57b5f44
+  checksum: d586361fda12fc7ab5650ce9b5763fc61d6ea2cecac9da98fceea6a3f27e42ed34db830582411bc06743492d9bb414c52b0c81da65440682d244d692da2f928a
   languageName: node
   linkType: hard