Update README.md in preparation of gopass 1.10
Update README.md in preparation of gopass 1.10

RELEASE_NOTES=Update README.md for gopass 1.10 upgrade

Signed-off-by: Patrick Harböck <915522d26483984875983151bf7edf5b0551561b@tngtech.com>

gopasspw/gopassbridge,gopasspw/gopassbridge,gopasspw/gopassbridge,gopasspw/gopassbridge