[Backport 2.x] Update Cluster Manager Node Timeout to 3mins for flaky test o.o.c.ClusterHealthIT.testHealthOnClusterManagerFailover

[opensearch-trigger-bot[bot]]

Backport 0c1cd75f66d09ccad01b810f1bdf8f0841ed1ef4 from #13505.

[github-actions[bot]]

:grey_exclamation: Gradle check result for bf2deec12aa1b6ffced12dadb487287b87da7794: UNSTABLE

• TEST FAILURES:

    1 org.opensearch.cluster.MinimumClusterManagerNodesIT.testThreeNodesNoClusterManagerBlock
    1 org.opensearch.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=indices.get_field_mapping/20_missing_field/Return empty object if field doesn't exist, but index does}

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.