Fix documentation of action copy_file
#872
Merged
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Currently, the documentation of action
![image](https://private-user-images.githubusercontent.com/110364235/304614447-02ceca24-6bf4-4668-840a-2210cef9167a.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3Mzk0MzM4NjMsIm5iZiI6MTczOTQzMzU2MywicGF0aCI6Ii8xMTAzNjQyMzUvMzA0NjE0NDQ3LTAyY2VjYTI0LTZiZjQtNDY2OC04NDBhLTIyMTBjZWY5MTY3YS5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjUwMjEzJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI1MDIxM1QwNzU5MjNaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT04N2U1NDc1YmQ4YTJkZmMwYTAxNjdhNTcyNjM0OTQ3OTYxZWU2OWFhZTU0NGU1ZTc5Zjk0MzgxODEwMjg5NzI2JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCJ9.Yc1CbL03NxYtiRvLCpaRPaLuLuDchvp7OYsLhdyr-UE)
copy_file
is slightly broken because of an unnecessary blank line.Details: https://www.rubydoc.info/gems/thor/Thor/Actions
This PR removed the blank line to fix the documentation.