Initialize Regex Cache By Default

[its-hammer-time]

Benchmark	Metric	Before	After	Change
GET_Simple	time	21,205 ns/op	4,573 ns/op	-78.5%
GET_Simple	memory	23,833 B/op	4,687 B/op	-80.3%
GET_Simple	allocs	400	115	-71.3%
GET_WithQueryParams	time	18,101 ns/op	5,701 ns/op	-68.7%
GET_WithQueryParams	memory	16,900 B/op	6,153 B/op	-63.6%
RegexFallback_All	time	39,021 ns/op	5,387 ns/op	-86.2%
RegexFallback_All	memory	70,431 B/op	4,874 B/op	-93.1%
BulkActions_Small	memory	21,126 B/op	12,116 B/op	-42.7%
BulkActions_Medium	memory	42,807 B/op	33,792 B/op	-21.1%
Init (AdsAPI)	time	35ms	36ms	+3% (one-time)
Geomean	all	--	--	-34% time, -43% memory, -36% allocs