Gh-3299: Add ChangeGraphId operation to POC simple federated store #2595

Job	Run time
Check Copyright Headers	44s
Tests (ubuntu-latest, Core, :gaffer2,:core,:access,:cache,:common-util,:data,:exception,:graph,:o...	3m 57s
Build Javadoc	4m 36s
Tests (ubuntu-latest, Accumulo, :accumulo-store,:accumulo-rest)	30m 28s
Tests (ubuntu-latest, Federated-And-Map, :integration-test,:federated-store,:map-store,:map-rest,...	20m 47s
Tests (ubuntu-latest, REST, :rest-api,:common-rest,:spring-rest,:core-rest,:store-implementation,...	6m 35s
Check all modules are tested	6s
Tests (ubuntu-latest, Examples, :example,:basic,:basic-model,:basic-rest,:road-traffic,:road-traf...	3m 42s
Check Markdown Links	27s
Tests (ubuntu-latest, Big-Data-Libraries, :flink-library,:hdfs-library,:spark,:spark-library,:spa...	8m 48s
Tests (ubuntu-latest, Time-Library, :library,:time-library)	1m 19s
Tests (ubuntu-latest, Caches, :cache-library,:sketches-library,:bitmap-library,:hazelcast-cache-s...	2m 6s
Tests (ubuntu-latest, Tinkerpop, :tinkerpop)	5m 2s
Upload coverage to Codecov	9s
	1h 28m 46s

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