Keep 'GitHub Action' and 'GitHub Actions' capitalized per FernStyles exceptions

Co-Authored-By: Devin Logan <[email protected]>

Author: devin-ai-integration[bot]

fern/products/cli-api-reference/pages/commands.mdx

@@ -255,7 +255,7 @@ hideOnThisPage: true
     fern check --strict-broken-links
     ```
 
-    ## Usage in a GitHub action
+    ## Usage in a GitHub Action
 
     <CodeBlock title = ".github/workflows/fern-check.yml" >
     ```yml maxLines=14 
@@ -398,7 +398,7 @@ hideOnThisPage: true
     ```    
     </CodeBlock>
 
-    ## GitHub actions
+    ## GitHub Actions
 
     If using GitHub Actions as your CI, add the `FERN_TOKEN` as a [GitHub Action secret](https://docs.github.com/en/actions/security-guides/using-secrets-in-github-actions#creating-secrets-for-a-repository) in your Fern configuration repo.
     You can then reference the secret in your CI: