SV-230221 - Checks for Red Hat version 8.10 collide with 8.1

[mattmattmattmattmattmattmattmatt]

controls/SV-230221.rb

Likely update the 8.1 to:
/^8.1$/ => '30 November 2021

[mattmattmattmattmattmattmattmatt]

We're finding a few other checks that don't seem to handle the 8.10 red hat version correctly, probably worth a larger check for 8.2 or 8.1 in the checks.