The Events Calendar Pro 6.4.0

* Tweak - Remove any usage of the function `date_default_timezone_set` after WordPress 5.3 discouraged the usage across any plugins or themes. [137420]
* Language - 0 new strings added, 4 updated, 0 fuzzied, and 0 obsoleted

* Fix - Resolved issue where non YYYY-MM-DD datepicker formats resulted in unpredictable behavior while navigating views [116086, 126472, 117909]
* Tweak - added the `tribe_events_pro_geocode_rewrite_rules` filter to allow filtering the rewrite rules generated for the Map View [135387]
* Tweak - Reduced the frequency of checking for venues that need geolocation to improve performance in the Dashboard [137047]\
* Language - 12 new strings added, 89 updated, 1 fuzzied, and 6 obsoleted

* Fix - Geolocalization venue fixer no longer 5xx on Hosts with Join SQL limitations [134742]
* Fix - SQL queries sped up to prevent 5xx when too many venues are present on Geolocatization venue fixer [134742]