Refer to Datastore everywhere correctly by its capitalized form

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=147479683

java/google/registry/tmch/ClaimsListParser.java

@@ -36,7 +36,7 @@ public class ClaimsListParser {
   /**
    * Converts the lines from the DNL CSV file into a {@link ClaimsListShard} object.
    *
-   * <p>Please note that this does <b>not</b> insert the object into the datastore.
+   * <p>Please note that this does <b>not</b> insert the object into Datastore.
    */
   public static ClaimsListShard parse(List<String> lines) {
     ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<>();