PyJobTransformsCore/trf.py: migrated from AthFile to MetaReader

Part of the ongoing campaign to remove AthFile from the Athena main

Related to ATEAM-528

added full-integration-tests full-unit-tests labels

build area is cleaned as the previous build was for the MR labeled as full-build

This merge request affects 1 package:

• Tools/PyJobTransformsCore

This merge request affects 1 file:

• Tools/PyJobTransformsCore/python/trf.py

added Tools main review-pending-level-1 labels

WARNING: big files (>100K) are found in the changeset

116K in file Tools/PyJobTransformsCore/python/trf.py

CI Result SUCCESS (hash dce8e66f)

	Athena	AthSimulation	AthGeneration
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 7928] (remote access info)

CMake warning in AthSimulation is unrelated. Fixed in !70528 (merged)

removed review-pending-level-1 label

merged

mentioned in commit 392ebbc3

added review-approved label