Bug 34781: Add a span tag in opac-memberentry

Bug 34781: Add a span tag in opac-memberentry

Test plan:
Enable self registration and GDPR consent (privacy policy).
Look at selfreg page on OPAC. Scroll to bottom.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 3db74c80866cb9252d13885d2cc09566e9c5a22c)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 7c1054f26fe6083937dde71684e1176b890f8f2e)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>