chore: Removes reviewers field in the dependabot.yml as it is being removed in favor of CODEOWNERS

[maastha]

Description

Removes reviewers field in the dependabot.yml as it is being removed in favor of CODEOWNERS

Link to any related issue(s): #47 (comment)

Type of change:

• Bug fix (non-breaking change which fixes an issue). Please, add the "bug" label to the PR.
• New feature (non-breaking change which adds functionality). Please, add the "enhancement" label to the PR. A migration guide must be created or updated if the new feature will go in a major version.
• Breaking change (fix or feature that would cause existing functionality to not work as expected). Please, add the "breaking change" label to the PR. A migration guide must be created or updated.
• This change requires a documentation update
• Documentation fix/enhancement

Required Checklist:

• I have signed the MongoDB CLA
• I have read the contributing guides
• I have checked that this change does not generate any credentials and that they are NOT accidentally logged anywhere.
• I have added tests that prove my fix is effective or that my feature works per HashiCorp requirements
• I have added any necessary documentation (if appropriate)
• I have run make fmt and formatted my code
• If changes include deprecations or removals I have added appropriate changelog entries.
• If changes include removal or addition of 3rd party GitHub actions, I updated our internal document. Reach out to the APIx Integration slack channel to get access to the internal document.

Further comments

[Copilot]

Pull Request Overview

This PR removes the deprecated "reviewers" configuration from the .github/dependabot.yml file in favor of using CODEOWNERS for designation of reviewers.

• Removes both instances of the "reviewers" field in the dependabot configuration
• Aligns dependabot configuration with the updated review process

Comments suppressed due to low confidence (2)

.github/dependabot.yml:9

• Removing the 'reviewers' field aligns with the move to using CODEOWNERS. Please verify that all configurations and documentation are updated to reflect this change.

-    reviewers:

.github/dependabot.yml:16

• Ensure the removal of this 'reviewers' entry does not affect any automated processes that might rely on it, and that the transition to CODEOWNERS is fully communicated.

-    reviewers: