fix(cli): typo in Uploading Files (#10427)

Author: menahishayan

docs/cli/dif.mdx

@@ -90,7 +90,7 @@ sentry-cli debug-files upload --include-sources /path/to/files...
 
 Use the `sentry-cli debug-files upload` command to upload debug information files to
 Sentry. The command will recursively scan the provided folders or ZIP archives.
-Files that have already been upload are skipped automatically.
+Files that have already been uploaded are skipped automatically.
 
 We recommend uploading debug information files when publishing or releasing your
 application. Alternatively, files can be uploaded during the build process. See