I took a quick look through the documentation and didn't see an option to suppress the status in the console. So I think you need to accept it if you want to use this specific code. However, not all all R packages generate this type of progress bar so using a different package to import XL may avoid the issues (but in my experience you usually get other issues).
https://community.rstudio.com/t/unwanted-console-output-from-readxl/36738
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