🔧 chore: Use dependabot to maintain and update moq-server (#28)

## Description

**What(what issue does this code solve/what feature does it add):**
Update the moq-server submodule to support audio

**How(how does it solve it):**

## Required Checklist:

- [ ] I have added any necessary documentation and comments in my code
(where appropriate)
- [ ] I have added tests to make sure my code runs in all contexts

## Further comments

.github/dependabot.yml

@@ -1,5 +1,12 @@
 version: 2
 updates:
+  - package-ecosystem: 'gitsubmodule'
+    directory: '/'
+    schedule:
+      interval: 'daily'
+    open-pull-requests-limit: 10
+    labels:
+      - 'type/build'
   - package-ecosystem: 'github-actions'
     directory: '/'
     schedule: