chore(deps): bump postcss from 8.5.8 to 8.5.15 in /docs

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.8 to 8.5.15.
- [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/8.5.8...8.5.15)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.15
  dependency-type: indirect
...

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

docs/pnpm-lock.yaml

@@ -15,7 +15,7 @@ importers:
     devDependencies:
       vitepress:
         specifier: 2.0.0-alpha.16
-        version: 2.0.0-alpha.16(postcss@8.5.8)
+        version: 2.0.0-alpha.16(postcss@8.5.15)
       vitepress-sidebar:
         specifier: 1.33.1
         version: 1.33.1
@@ -408,6 +408,7 @@ packages:
 
   '@ungap/structured-clone@1.3.0':
     resolution: {integrity: sha512-WmoN8qaIAo7WTYWbAZuG8PYEhn5fkz7dZrqTBZ7dtt//lL2Gwms1IcnQ5yHqjDfX8Ft5j4YzDM23f87zBfDe9g==}
+    deprecated: Potential CWE-502 - Update to 1.3.1 or higher
 
   '@vitejs/plugin-vue@6.0.5':
     resolution: {integrity: sha512-bL3AxKuQySfk1iGcBsQnoRVexTPJq0Z/ixFVM8OhVJAP6ZXXXLtM7NFKWhLl30Kg7uTBqIaPXbh+nuQCuBDedg==}
@@ -707,8 +708,8 @@ packages:
   minisearch@7.2.0:
     resolution: {integrity: sha512-dqT2XBYUOZOiC5t2HRnwADjhNS2cecp9u+TJRiJ1Qp/f5qjkeT5APcGPjHw+bz89Ms8Jp+cG4AlE+QZ/QnDglg==}
 
-  nanoid@3.3.11:
+  nanoid@3.3.12:
-    resolution: {integrity: sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==}
+    resolution: {integrity: sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==}
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
@@ -739,8 +740,8 @@ packages:
     resolution: {integrity: sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==}
     engines: {node: '>=12'}
 
-  postcss@8.5.8:
+  postcss@8.5.15:
-    resolution: {integrity: sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==}
+    resolution: {integrity: sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==}
     engines: {node: ^10 || ^12 || >=14}
 
   property-information@7.1.0:
@@ -1214,7 +1215,7 @@ snapshots:
       '@vue/shared': 3.5.30
       estree-walker: 2.0.2
       magic-string: 0.30.21
-      postcss: 8.5.8
+      postcss: 8.5.15
       source-map-js: 1.2.1
 
   '@vue/compiler-ssr@3.5.30':
@@ -1491,7 +1492,7 @@ snapshots:
 
   minisearch@7.2.0: {}
 
-  nanoid@3.3.11: {}
+  nanoid@3.3.12: {}
 
   oniguruma-parser@0.12.1: {}
 
@@ -1516,9 +1517,9 @@ snapshots:
 
   picomatch@4.0.4: {}
 
-  postcss@8.5.8:
+  postcss@8.5.15:
     dependencies:
-      nanoid: 3.3.11
+      nanoid: 3.3.12
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
@@ -1671,7 +1672,7 @@ snapshots:
       esbuild: 0.27.4
       fdir: 6.5.0(picomatch@4.0.4)
       picomatch: 4.0.4
-      postcss: 8.5.8
+      postcss: 8.5.15
       rollup: 4.59.0
       tinyglobby: 0.2.15
     optionalDependencies:
@@ -1683,7 +1684,7 @@ snapshots:
       gray-matter: 4.0.3
       qsu: 1.10.4
 
-  vitepress@2.0.0-alpha.16(postcss@8.5.8):
+  vitepress@2.0.0-alpha.16(postcss@8.5.15):
     dependencies:
       '@docsearch/css': 4.6.0
       '@docsearch/js': 4.6.0
@@ -1705,7 +1706,7 @@ snapshots:
       vite: 7.3.2
       vue: 3.5.30
     optionalDependencies:
-      postcss: 8.5.8
+      postcss: 8.5.15
     transitivePeerDependencies:
       - '@types/node'
       - async-validator