docs: Ruby debug configuration should be an array (#32991)

Jeff Bonhag created

Closes #ISSUE

Small correction for something I noticed while setting up the debugger
today.

Release Notes:

- N/A

Change summary

docs/src/debugger.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Detailed changes

docs/src/debugger.md 🔗

@@ -383,7 +383,7 @@ To run a ruby task in the debugger, you will need to configure it in the `.zed/d
 The configuration should look like this:
 
 ```json
-{
+[
   {
     "adapter": "Ruby",
     "label": "Run CLI",
@@ -396,7 +396,7 @@ The configuration should look like this:
     // "env": {}
     // "cwd": ""
   }
-}
+]
 ```
 
 ## Breakpoints