ci: update error reference docs (withastro#12422)

Co-authored-by: delucis <[email protected]>
Co-authored-by: Sarah Rainsberger <[email protected]>

Author: 3 people

src/content/docs/en/reference/error-reference.mdx

@@ -48,6 +48,7 @@ The following reference is a complete list of the errors you may encounter while
 - [**UnsupportedImageFormat**](/en/reference/errors/unsupported-image-format/)<br/>Unsupported image format
 - [**UnsupportedImageConversion**](/en/reference/errors/unsupported-image-conversion/)<br/>Unsupported image conversion
 - [**PrerenderDynamicEndpointPathCollide**](/en/reference/errors/prerender-dynamic-endpoint-path-collide/)<br/>Prerendered dynamic endpoint has path collision.
+- [**PrerenderRouteConflict**](/en/reference/errors/prerender-route-conflict/)<br/>Prerendered route generates the same path as another route.
 - [**ExpectedImage**](/en/reference/errors/expected-image/)<br/>Expected src to be an image.
 - [**ExpectedImageOptions**](/en/reference/errors/expected-image-options/)<br/>Expected image options.
 - [**ExpectedNotESMImage**](/en/reference/errors/expected-not-esmimage/)<br/>Expected image options, not an ESM-imported image.

src/content/docs/en/reference/errors/font-family-not-found.mdx

@@ -13,7 +13,7 @@ import DontEditWarning from '~/components/DontEditWarning.astro'
 <DontEditWarning />
 
 
-> No data was found for the family passed to the Font component.
+> No data was found for the `cssVariable` passed to the `<Font />` component or to the `getFontData()` function.
 
 ## What went wrong?
 Font family not found

src/content/docs/en/reference/errors/prerender-route-conflict.mdx

@@ -0,0 +1,26 @@
+---
+# NOTE: This file is auto-generated from 'scripts/error-docgen.mjs'
+# Do not make edits to it directly, they will be overwritten.
+# Instead, change this file: https://github.com/withastro/astro/blob/main/packages/astro/src/core/errors/errors-data.ts
+# Translators, please remove this note and the <DontEditWarning/> component.
+
+title: Prerendered route generates the same path as another route.
+i18nReady: true
+githubURL: https://github.com/withastro/astro/blob/main/packages/astro/src/core/errors/errors-data.ts
+---
+import DontEditWarning from '~/components/DontEditWarning.astro'
+
+<DontEditWarning />
+
+
+> **PrerenderRouteConflict**: Could not render `PATHNAME` from route `THIS_ROUTE` as it conflicts with higher priority route `WINNING_ROUTE`.
+
+## What went wrong?
+Two prerendered routes generate the same path, resulting in a collision.
+A static path can only be generated by one route.
+
+**See Also:**
+-  [`getStaticPaths()`](/en/reference/routing-reference/#getstaticpaths)
+-  [`params`](/en/reference/api-reference/#params)
+
+