[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)

This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).

internal/db/bundb/admin_test.go

@@ -74,6 +74,7 @@ func (suite *AdminTestSuite) TestCreateInstanceAccount() {
 	// we need to take an empty db for this...
 	testrig.StandardDBTeardown(suite.db)
 	// ...with tables created but no data
+	suite.db = testrig.NewTestDB(&suite.state)
 	testrig.CreateTestTables(suite.db)
 
 	// make sure there's no instance account in the db yet