Update dependabot config to prevent redundant PR creation

[yunchu]

Summary

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have added the description of my changes into CHANGELOG.​
• I have updated the documentation accordingly

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.98%. Comparing base (44cc56a) to head (d456b4e).
Report is 33 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1455      +/-   ##
===========================================
+ Coverage    80.85%   80.98%   +0.12%     
===========================================
  Files          271      272       +1     
  Lines        30689    31144     +455     
  Branches      6197     6276      +79     
===========================================
+ Hits         24815    25223     +408     
- Misses        4489     4505      +16     
- Partials      1385     1416      +31     

Flag	Coverage Δ
ubuntu-20.04_Python-3.10	80.96% <ø> (+0.12%)	⬆️
windows-2022_Python-3.10	80.96% <ø> (+0.12%)	⬆️

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