docs: repoint dead external links in guides

Update three 404'd external links to their current URLs: the Replicate
nano-banana model, the LibreOffice download page, and the Anchor Browser
docs.

Author: D-K-P

docs/guides/example-projects/anchor-browser-web-scraper.mdx

@@ -119,6 +119,6 @@ export default defineConfig({
 
 ## Learn more
 
-- View the [Anchor Browser docs](https://anchorbrowser.io/docs) to learn more about Anchor Browser's AI-powered browser automation tools.
+- View the [Anchor Browser docs](https://docs.anchorbrowser.io/) to learn more about Anchor Browser's AI-powered browser automation tools.
 - Check out the source code for the [Anchor Browser web scraper repo](https://github.com/triggerdotdev/examples/tree/main/anchor-browser-web-scraper) on GitHub.
 - Browser our [example projects](/guides/introduction) to see how you can use Trigger.dev with other services.

docs/guides/examples/libreoffice-pdf-conversion.mdx

@@ -9,7 +9,7 @@ import LocalDevelopment from "/snippets/local-development-extensions.mdx";
 ## Prerequisites
 
 - A project with [Trigger.dev initialized](/quick-start)
-- [LibreOffice](https://www.libreoffice.org/download/libreoffice-fresh/) installed on your machine
+- [LibreOffice](https://www.libreoffice.org/download/download-libreoffice/) installed on your machine
 - A [Cloudflare R2](https://developers.cloudflare.com) account and bucket
 
 ### Using our `aptGet` build extension to add the LibreOffice package

docs/guides/examples/replicate-image-generation.mdx

@@ -6,7 +6,7 @@ description: "Learn how to generate images from source image URLs using Replicat
 
 ## Overview
 
-This example demonstrates how to use Trigger.dev to generate images from source image URLs using [Replicate](https://replicate.com/), the [nano-banana-image-to-image](https://replicate.com/meta/nano-banana-image-to-image) model.
+This example demonstrates how to use Trigger.dev to generate images from source image URLs using [Replicate](https://replicate.com/), the [nano-banana](https://replicate.com/google/nano-banana) model.
 
 ## Task code