Fix dependabot configuration

# Summary

This fixes the dependable configuration, which was wrongly indented. 

## Change Type

***Mark the type of change your PR introduces:***

- [x] Bug fix (resolves an issue without affecting existing features)
- [ ] Feature (adds new functionality without breaking changes)
- [ ] Breaking change (may impact existing functionalities or require documentation updates)
- [ ] Documentation (updates or additions to documentation)
- [ ] Refactoring or test improvements (no bug fixes or new functionality)

# Testing

***Outline how the changes were tested, including steps to reproduce and any relevant configurations. 
Attach screenshots if helpful.***

# Review Checklist:

- [x] Reviewed my own code for quality and clarity.
- [ ] Added comments to complex or tricky code sections.
- [ ] Updated any affected documentation.
- [ ] Included tests that validate the fix or feature.
- [ ] Checked that related changes are merged.

.github/dependabot.yml

@@ -19,10 +19,10 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
-  groups:
-    otel:
-      patterns:
-        - "go.opentelemetry.io/otel/*"
+    groups:
+      otel:
+        patterns:
+          - "go.opentelemetry.io/otel/*"
   - package-ecosystem: "gomod"
     directory: "tools"
     schedule: