Fix two broken links (#18247)

Author: mattpollard

content/admin/enterprise-management/upgrading-github-enterprise-server.md

@@ -45,8 +45,12 @@ Increased requirements for {% data variables.product.prodname_ghe_server %} 3.0
 | 5,000 to 8000 | **16**<br/>_Up from 12_ | 96 GB | 750 GB | 200 GB |
 | 8,000 to 10,000+ | **20**<br/>_Up from 16_ | **160 GB**<br/>_Up from 128 GB_ | 1000 GB | 200 GB |
 
+{% if currentVersion ver_gt "enterprise-server@2.21" %}
+
 For more information about hardware requirements for {% data variables.product.prodname_actions %}, see "[Getting started with {% data variables.product.prodname_actions %} for {% data variables.product.prodname_ghe_server %}](/admin/github-actions/getting-started-with-github-actions-for-github-enterprise-server#review-hardware-considerations)."
 
+{% endif %}
+
 {% data reusables.enterprise_installation.about-adjusting-resources %}
 
 {% endif %}

content/graphql/guides/managing-enterprise-accounts.md

@@ -66,7 +66,7 @@ For some example queries, see "[An example query using the Enterprise Accounts A
 We recommend you use GraphiQL or another standalone GraphQL client that lets you configure the base URL.
 
 You may also consider using these GraphQL clients:
-  - [Insomnia](https://insomnia.rest/graphql/)
+  - [Insomnia](https://support.insomnia.rest/article/176-graphql-queries)
   - [GraphiQL](https://www.gatsbyjs.org/docs/running-queries-with-graphiql/)
   - [Postman](https://learning.getpostman.com/docs/postman/sending_api_requests/graphql/)