pes_events_scanner: fix processing of RpmTransactionTasks #4161

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	53s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 17s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	47s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 19s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.9, ...	55s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 31s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.6, ...	1m 10s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	3m 14s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 19s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	4m 12s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 23s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	6m 31s
	24m 31s

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