Fix URLs (#841)

Author: MichaelMacaulay

nginx.conf

@@ -86,7 +86,6 @@ http {
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/supported-networks/near/$                     $scheme://$http_host/docs/$1/cookbook/near/                                 permanent;
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/developing/defining-a-subgraph/$              $scheme://$http_host/docs/$1/developing/creating-a-subgraph/                permanent;
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/arbitrum-faq/$                                $scheme://$http_host/docs/$1/arbitrum/arbitrum-faq/                         permanent;
-        rewrite ^/docs/([a-zA-Z][a-zA-Z])/cookbook/migrating-a-subgraph/$               $scheme://$http_host/docs/$1/cookbook/upgrading-a-subgraph/                 permanent;
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/cookbook/quick-start/$                        $scheme://$http_host/docs/$1/quick-start/                                   permanent;
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/developer/assemblyscript-api/$                $scheme://$http_host/docs/$1/developing/graph-ts/api/                       permanent;
         rewrite ^/docs/([a-zA-Z][a-zA-Z])/developing/assemblyscript-api/$               $scheme://$http_host/docs/$1/developing/graph-ts/api/                       permanent;

website/pages/en/cookbook/how-to-secure-api-keys-using-nextjs-server-components.mdx

@@ -120,4 +120,4 @@ Start our Next.js application using `npm run dev`. Verify that the server compon
 
 ### Conclusion
 
-By utilizing Next.js Server Components, we've effectively hidden the API key from the client-side, enhancing the security of our application. This method ensures that sensitive operations are handled server-side, away from potential client-side vulnerabilities. Finally, be sure to explore [other API key security measures](/cookbook/upgrading-a-subgraph/#securing-your-api-key) to increase your API key security even further.
+By utilizing Next.js Server Components, we've effectively hidden the API key from the client-side, enhancing the security of our application. This method ensures that sensitive operations are handled server-side, away from potential client-side vulnerabilities. Finally, be sure to explore [other API key security measures](/querying/managing-api-keys/) to increase your API key security even further.