typo in eos man page

fix typo from
```
eos  [-r|--role  <uid>  <gid>]  [-b|--batch] [-v|--verAsion] [-p|--pipe] [-j||--json] [<mgm-
```
to
```
eos  [-r|--role  <uid>  <gid>]  [-b|--batch] [-v|--version] [-p|--pipe] [-j||--json] [<mgm-
```
ver*A*sion → version

See merge request !3