Add domain repo ID and token type indexes to AllocationToken table (#1560)

These are useful for the purposes of filtering by one-time/multi-use tokens, and
for determining which one-time tokens have been used (and if so, for which
domain).

db/src/main/resources/sql/flyway/V114__add_allocation_token_indexes.sql

@@ -0,0 +1,17 @@
+-- Copyright 2022 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+
+CREATE INDEX IDX9g3s7mjv1yn4t06nqid39whss ON "AllocationToken" (token_type);
+CREATE INDEX IDXtmlqd31dpvvd2g1h9i7erw6aj ON "AllocationToken" (redemption_domain_repo_id);