Would you breakup with your partner if they kissed another person while being drunk?

So I've gotten into a new relationship recently and my partner went partying with a few friends last night and they ended up just having a kiss with someone else while being very drunk. They don't remember the kiss or anything like it but their friends all saw it. My partner has been apologizing since yesterday and telling me that it meant nothing and that they never would actually cheat on me and based on the recent time we had together I sort of believe but im not sure what to do... What would you do?
Would you breakup with your partner if they kissed another person while being drunk?
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