Bump gson dependency version

[ohltyler]

Signed-off-by: Tyler Ohlsen ohltyler@amazon.com

Bump gson dependency version.

Will track that performance analyzer performs a similar bump such that they are on the same version of gson.

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[ohltyler]

Will do a sanity test by running a cluster restart to make sure there's no fatal errors - ref: gson update to fix bug #302

[ohltyler]

Confirmed no failures when restarting and restoring model checkpoints:

[2022-07-15T11:02:26,487][INFO ][c.a.o.a.c.ADClusterEventListener] [3c22fb0a9091.ant.amazon.com] CLuster is not recovered yet.
[2022-07-15T11:02:26,503][INFO ][o.e.h.AbstractHttpServerTransport] [3c22fb0a9091.ant.amazon.com] publish_address {127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1:9200}
[2022-07-15T11:02:26,503][INFO ][o.e.n.Node               ] [3c22fb0a9091.ant.amazon.com] started
[2022-07-15T11:02:26,595][INFO ][o.e.g.GatewayService     ] [3c22fb0a9091.ant.amazon.com] recovered [8] indices into cluster_state
[2022-07-15T11:02:28,641][INFO ][c.a.o.j.JobSchedulerPlugin] [3c22fb0a9091.ant.amazon.com] JobSweeper started listening to operations on index .opendistro-anomaly-detector-jobs
[2022-07-15T11:02:29,996][INFO ][c.a.o.j.s.JobScheduler   ] [3c22fb0a9091.ant.amazon.com] Scheduling job id gKLyAoIBv2dXoUuoZVGW for index .opendistro-anomaly-detector-jobs .
[2022-07-15T11:02:30,052][INFO ][o.e.c.r.a.AllocationService] [3c22fb0a9091.ant.amazon.com] Cluster health status changed from [RED] to [YELLOW] (reason: [shards started [[opendistro-sample-http-responses][0]]]).
[2022-07-15T11:02:46,256][INFO ][c.a.o.a.c.HashRing       ] [3c22fb0a9091.ant.amazon.com] Rebuild hash ring
[2022-07-15T11:02:46,335][INFO ][c.a.o.a.m.ModelManager   ] [3c22fb0a9091.ant.amazon.com] Restoring checkpoint for gKLyAoIBv2dXoUuoZVGW_model_rcf_0