Documentation fixes: installation/prerequisites.html

[j-n-c]

What steps does it take to reproduce the issue?

• When does this issue occur?
  N/A

• Which page(s) does it occurs on?
  https://guides.dataverse.org/en/latest/installation/prerequisites.html

• What happens?

• RHEL8 : yum makecache fast returns yum makecache: error: argument timer: invalid choice: 'fast' (choose from 'timer')
• wget https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz --2022-04-19 16:44:32-- https://geolite.maxmind.com/download/geoip/database/GeoLite2-Country.tar.gz Resolving geolite.maxmind.com (geolite.maxmind.com)... failed: Name or service not known. wget: unable to resolve host address ‘geolite.maxmind.com’

• To whom does it occur (all users, curators, superusers)?
  N/A

• What did you expect to happen?
  I expected that commands would run successfully

Which version of Dataverse are you using?
v5.10.1

Any related open or closed issues to this bug report?
N/A

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