Bump postcss from 8.4.39 to 8.4.47

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.39 to 8.4.47.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.39...8.4.47)

---
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

@@ -14,7 +14,7 @@
     "concurrently": "^8.2.2",
     "eleventy-plugin-reading-time": "^0.0.1",
     "markdown-it-prism": "^2.3.0",
-    "postcss": "^8.4.39",
+    "postcss": "^8.4.47",
     "tailwindcss": "^3.4.6"
   },
   "packageManager": "yarn@4.0.2"

yarn.lock

@@ -991,7 +991,7 @@ __metadata:
     concurrently: "npm:^8.2.2"
     eleventy-plugin-reading-time: "npm:^0.0.1"
     markdown-it-prism: "npm:^2.3.0"
-    postcss: "npm:^8.4.39"
+    postcss: "npm:^8.4.47"
     tailwindcss: "npm:^3.4.6"
   languageName: unknown
   linkType: soft
@@ -2279,10 +2279,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"picocolors@npm:^1.0.1":
-  version: 1.0.1
-  resolution: "picocolors@npm:1.0.1"
-  checksum: c63cdad2bf812ef0d66c8db29583802355d4ca67b9285d846f390cc15c2f6ccb94e8cb7eb6a6e97fc5990a6d3ad4ae42d86c84d3146e667c739a4234ed50d400
+"picocolors@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "picocolors@npm:1.1.0"
+  checksum: 86946f6032148801ef09c051c6fb13b5cf942eaf147e30ea79edb91dd32d700934edebe782a1078ff859fb2b816792e97ef4dab03d7f0b804f6b01a0df35e023
   languageName: node
   linkType: hard
 
@@ -2397,14 +2397,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.39":
-  version: 8.4.39
-  resolution: "postcss@npm:8.4.39"
+"postcss@npm:^8.4.47":
+  version: 8.4.47
+  resolution: "postcss@npm:8.4.47"
   dependencies:
     nanoid: "npm:^3.3.7"
-    picocolors: "npm:^1.0.1"
-    source-map-js: "npm:^1.2.0"
-  checksum: 16f5ac3c4e32ee76d1582b3c0dcf1a1fdb91334a45ad755eeb881ccc50318fb8d64047de4f1601ac96e30061df203f0f2e2edbdc0bfc49b9c57bc9fb9bedaea3
+    picocolors: "npm:^1.1.0"
+    source-map-js: "npm:^1.2.1"
+  checksum: 929f68b5081b7202709456532cee2a145c1843d391508c5a09de2517e8c4791638f71dd63b1898dba6712f8839d7a6da046c72a5e44c162e908f5911f57b5f44
   languageName: node
   linkType: hard
 
@@ -2882,10 +2882,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"source-map-js@npm:^1.2.0":
-  version: 1.2.0
-  resolution: "source-map-js@npm:1.2.0"
-  checksum: 7e5f896ac10a3a50fe2898e5009c58ff0dc102dcb056ed27a354623a0ece8954d4b2649e1a1b2b52ef2e161d26f8859c7710350930751640e71e374fe2d321a4
+"source-map-js@npm:^1.2.1":
+  version: 1.2.1
+  resolution: "source-map-js@npm:1.2.1"
+  checksum: 7bda1fc4c197e3c6ff17de1b8b2c20e60af81b63a52cb32ec5a5d67a20a7d42651e2cb34ebe93833c5a2a084377e17455854fee3e21e7925c64a51b6a52b0faf
   languageName: node
   linkType: hard