Rollup merge of #59470 - czipperz:document-fs-file-close, r=dtolnay
Rollup merge of #59470 - czipperz:document-fs-file-close, r=dtolnay

Document std::fs::File close behavior ignoring errors

Resolves #52685

aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust