[FLINK-23418][e2e] Increase the timeout to make kubernetes application ha test more stable

[wangyang0918]

What is the purpose of the change

The test test_kubernetes_application_ha.sh could fail because of timeout(30s) waiting for log Restoring job 00000000000000000000000000000000 from Checkpoint. I did not find any exceptions, potential bugs for Kubernetes HA and recovery process. It just seems that the JobManager started and recovered slowly. This PR will increase the timeout to 120s to make the test more stable.

Brief change log

• Increase the timeout to make kubernetes application ha test more stable

Verifying this change

• Already covered by test_kubernetes_application_ha.sh

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (yes / no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (yes / no)
• The serializers: (yes / no / don't know)
• The runtime per-record code paths (performance sensitive): (yes / no / don't know)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
• The S3 file system connector: (yes / no / don't know)

Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)

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Last check on commit 827ad0e (Sat Aug 28 12:23:45 UTC 2021)

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[wangyang0918]

@KarmaGYZ Could you please have a look on this simple change?

[KarmaGYZ]

LGTM