I have tried several times to upload the corresponding files in a single commit, but the Bot tells me that I have more than one commit. I do not understand this, I am following these commands in order:
There are 2 questions in this post, you must create a different thread for such question.
Regarding your issue about the number of commits, the easiest way is to squash and rebase commits,
there is a lot of documentation online as well as some related post on this same forum:
Also make sure to structure your question properly: modify the title according to the post, the title is about a sucessfull CI but in the body you are asking about the commits, please refer to these guidelines: