pes_events_scanner: fix processing of RpmTransactionTasks #4158

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	56s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 20s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	49s
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 el8toel9 and common repositories on python 3.9, ...	54s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 47s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.6, ...	1m 6s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	3m 23s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 20s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	4m 13s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 18s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	6m 46s
	25m 9s

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