pes_events_scanner: fix processing of RpmTransactionTasks #4155

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	55s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 22s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	50s
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, ...	56s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 33s
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 29s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 15s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	4m 20s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 22s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	7m 8s
	25m 33s

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