Fix typo in GOV.UK Frontend version number
Fix typo in GOV.UK Frontend version number

Version number detected but only returns `a` because of typo copied from example in docs.
WPO-Foundation/Wappalyzer,AliasIO/wappalyzer,WPO-Foundation/Wappalyzer,WPO-Foundation/Wappalyzer,AliasIO/wappalyzer