chore: fix bold

Author: almeidabbm

self-host/customize-deployment/configure-github-for-lightdash.mdx

@@ -32,9 +32,9 @@ Go to app settings in Github, either organization or account developer settings
 - Pull requests: `Read and write`
 - Workflows (optional): `Read and write`
 
-\*\*Account Permissions: \*\*None
+**Account Permissions:** None
 
-\*\*Where can this GitHub App be installed? \*\*Any account
+**Where can this GitHub App be installed?** Any account
 
 ### **Generate Certificate and Secret**