How to prevent github pages deployment builds from being count into the contribution graph?

[kkew3]

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So here is my contribution graph:

But the deployment commits of my github pages submitted by bots take up the majority (see "kkew3/kkew3.github.io 522 commits"; I never wrote so many posts!). Therefore, it does not reflect my real contribution at all. Is there anyway to fix this? Thank you so much!