Add release notes for 4.5.3

[frant-hartm]

No description provided.

[hz-devops-test]

The job jet-oss-pr-builder of your PR failed. (Hazelcast internal details: build log, artifacts).
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---------SUMMARY----------
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[ERROR] Tests run: 12, Failures: 0, Errors: 12, Skipped: 0, Time elapsed: 7.257 s <<< FAILURE! - in com.hazelcast.jet.elastic.LocalClusterElasticSourcesTest
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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:3.2.2:shade (default) on project hazelcast-jet-hadoop-all: Error creating shaded jar: error in opening zip file /home/jenkins/.m2/repository/org/apache/parquet/parquet-hadoop/1.12.0/parquet-hadoop-1.12.0-sources.jar -> [Help 1]
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-------TEST FAILURE-------
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[INFO] Results:
[INFO] 
[ERROR] Errors: 
[ERROR]   WriteJdbcPTest.com.hazelcast.jet.impl.connector.WriteJdbcPTest ? ContainerLaunch
[INFO] 
[ERROR] Tests run: 2453, Failures: 0, Errors: 1, Skipped: 10
[INFO] 
[ERROR] There are test failures.

[olukas]

verify