Update sqlite3 requirement from ~> 1.4 to ~> 2.0 #281

Job	Run time
Tests (2.7, rails_6.1, stable)	29s
Tests (2.7, rails_7.0, stable)	30s
Tests (2.7, rails_7.1, stable)	39s
Tests (3.0, rails_6.1, stable)	16s
Tests (3.0, rails_7.0, stable)	17s
Tests (3.0, rails_7.1, stable)	17s
Tests (3.1, rails_6.1, stable)	18s
Tests (3.1, rails_7.0, stable)	20s
Tests (3.1, rails_7.1, stable)	18s
Tests (3.2, rails_7.0, stable)	23s
Tests (3.2, rails_7.1, stable)	17s
Tests (3.3, rails_7.0, stable)	19s
Tests (3.3, rails_7.1, stable)	25s
Tests (3.1, rails_edge, experimental)	45s
Tests (3.2, rails_edge, experimental)	24s
Tests (3.3, rails_edge, experimental)	26s
Tests (head, rails_7.0, experimental)	22s
Tests (head, rails_7.1, experimental)	19s
Tests (head, rails_edge, experimental)	20s
Coverage	4s
	7m 28s

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